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Solving bolted joint problems is what we do.

Our engineers have extensive experience analyzing and solving bolted joint problems on a wide variety of applications. We will work with you to resolve your situation whether or not it involves using our locknut.

We work with industry leaders in railroads, mining, material handling, crushing & pulverizing, and more to identify issues and offer products and ideas specific to their needs.

Locknut Selector

ItemDescriptionWidth Across Flats (Max) Dim AThickness (Nominal) Dim BOverall Thickness (Max) Dim C
4231603-0045-300-3-5M45 x 3 SLN, Hex, Class 8, ATD Lock Ring703642.2M45 x 3.0HexClass 8No PlatingMetric45FineM45 F | M45 x 3.0
4221603-0042-300-4-2M42 x 3 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring653440.2M42 x 3.0HexClass 10Zinc Yellow (ZDC)Metric42FineM42 F | M42 x 3.0
4211603-0042-300-4-5M42 x 3 SLN, Hex, Class 10, ATD Lock Ring653440.2M42 x 3.0HexClass 10No PlatingMetric42FineM42 F | M42 x 3.0
4201603-0042-300-3-2M42 x 3 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring653440.2M42 x 3.0HexClass 8Zinc Yellow (ZDC)Metric42FineM42 F | M42 x 3.0
4191603-0042-300-3-5M42 x 3 SLN, Hex, Class 8, ATD Lock Ring653440.2M42 x 3.0HexClass 8No PlatingMetric42FineM42 F | M42 x 3.0
4181603-0039-300-4-2M39 x 3 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring6038.144M39 x 3.0HexClass 10Zinc Yellow (ZDC)Metric39FineM39 F | M39 x 3.0
4171603-0039-300-4-5M39 x 3 SLN, Hex, Class 10, ATD Lock Ring6038.144M39 x 3.0HexClass 10No PlatingMetric39FineM39 F | M39 x 3.0
4161603-0039-300-3-2M39 x 3 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring6038.144M39 x 3.0HexClass 8Zinc Yellow (ZDC)Metric39FineM39 F | M39 x 3.0
4151603-0039-300-3-5M39 x 3 SLN, Hex, Class 8, ATD Lock Ring6038.144M39 x 3.0HexClass 8No PlatingMetric39FineM39 F | M39 x 3.0
4141603-0036-300-4-2M36 x 3 SLN, Hex, Class 10, Zinc Yellow Plating553540.4M36 x 3.0HexClass 10Zinc Yellow (ZDC)Metric36FineM36 F | M36 x 3.0
4131603-0036-300-4-5M36 x 3 SLN, Hex, Class 10, ATD Lock Ring553540.4M36 x 3.0HexClass 10No PlatingMetric36FineM36 F | M36 x 3.0
4121603-0036-300-3-2M36 x 3 SLN, Hex, Class 8, Zinc Yellow Plating553540.4M36 x 3.0HexClass 8Zinc Yellow (ZDC)Metric36FineM36 F | M36 x 3.0
4111603-0036-300-3-5M36 x 3 SLN, Hex, Class 8, ATD Lock Ring553540.4M36 x 3.0HexClass 8No PlatingMetric36FineM36 F | M36 x 3.0
4101603-0033-200-4-2M33 x 2 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring5031.834.9M33 x 2.0HexClass 10Zinc Yellow (ZDC)Metric33FineM33 F | M33 x 2.0
4091603-0033-200-4-5M33 x 2 SLN, Hex, Class 10, ATD Lock Ring5031.834.9M33 x 2.0HexClass 10No PlatingMetric33FineM33 F | M33 x 2.0
4081603-0033-200-3-2M33 x 2 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring5031.834.9M33 x 2.0HexClass 8Zinc Yellow (ZDC)Metric33FineM33 F | M33 x 2.0
4071603-0033-200-3-5M33 x 2 SLN, Hex, Class 8, ATD Lock Ring5031.834.9M33 x 2.0HexClass 8No PlatingMetric33FineM33 F | M33 x 2.0
4061603-0030-200-4-2M30 x 2 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring462427.6M30 x 2.0HexClass 10Zinc Yellow (ZDC)Metric30FineM30 F | M30 x 2.0
4051603-0030-200-4-5M30 x 2 SLN, Hex, Class 10, ATD Lock Ring462427.6M30 x 2.0HexClass 10No PlatingMetric30FineM30 F | M30 x 2.0
4041603-0030-200-4-0M30 x 2 SLN, Hex, Class 10462427.6M30 x 2.0HexClass 10No PlatingMetric30FineM30 F | M30 x 2.0
4031603-0030-200-3-2M30 x 2 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring462427.6M30 x 2.0HexClass 8Zinc Yellow (ZDC)Metric30FineM30 F | M30 x 2.0
4021603-0030-200-3-5M30 x 2 SLN, Hex, Class 8, ATD Lock Ring462427.6M30 x 2.0HexClass 8No PlatingMetric30FineM30 F | M30 x 2.0
4011603-0030-200-3-0M30 x 2 SLN, Hex, Class 8462427.6M30 x 2.0HexClass 8No PlatingMetric30FineM30 F | M30 x 2.0
4001603-0027-200-4-2M27 x 2 SLN, Hex, Class 10, Zinc Yellow Plating412528.7M27 x 2.0HexClass 10Zinc Yellow (ZDC)Metric27FineM27 F | M27 x 2.0
3991603-0027-200-4-5M27 x 2 SLN, Hex, Class 10, ATD Lock Ring412528.7M27 x 2.0HexClass 10No PlatingMetric27FineM27 F | M27 x 2.0
3981603-0027-200-4-0M27 x 2 SLN, Hex, Class 10412528.7M27 x 2.0HexClass 10No PlatingMetric27FineM27 F | M27 x 2.0
3971603-0027-200-3-2M27 x 2 SLN, Hex, Class 8, Zinc Yellow Plating412528.7M27 x 2.0HexClass 8Zinc Yellow (ZDC)Metric27FineM27 F | M27 x 2.0
3961603-0027-200-3-5M27 x 2 SLN, Hex, Class 8, ATD Lock Ring412528.7M27 x 2.0HexClass 8No PlatingMetric27FineM27 F | M27 x 2.0
3951603-0027-200-3-0M27 x 2 SLN, Hex, Class 8412528.7M27 x 2.0HexClass 8No PlatingMetric27FineM27 F | M27 x 2.0
3941603-0024-200-4-2M24 x 2 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring3621.524.6M24 x 2.0HexClass 10Zinc Yellow (ZDC)Metric24FineM24 F | M24 x 2.0
3931603-0024-200-4-5M24 x 2 SLN, Hex, Class 10, ATD Lock Ring3621.524.6M24 x 2.0HexClass 10No PlatingMetric24FineM24 F | M24 x 2.0
3921603-0024-200-4-0M24 x 2 SLN, Hex, Class 103621.524.6M24 x 2.0HexClass 10No PlatingMetric24FineM24 F | M24 x 2.0
3911603-0024-200-3-2M24 x 2 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring3621.524.6M24 x 2.0HexClass 8Zinc Yellow (ZDC)Metric24FineM24 F | M24 x 2.0
3901603-0024-200-3-0M24 x 2 SLN, Hex, Class 83621.524.6M24 x 2.0HexClass 8No PlatingMetric24FineM24 F | M24 x 2.0
3891603-0022-150-4-2M22 x 1.5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring301820.4M22 x 1.5HexClass 10Zinc Yellow (ZDC)Metric22FineM22 F | M22 x 1.5
3881603-0022-150-4-5M22 x 1.5 SLN, Hex, Class 10, ATD Lock Ring301820.4M22 x 1.5HexClass 10No PlatingMetric22FineM22 F | M22 x 1.5
3871603-0022-150-4-0M22 x 1.5 SLN, Hex, Class 10301820.4M22 x 1.5HexClass 10No PlatingMetric22FineM22 F | M22 x 1.5
3861603-0022-150-3-2M22 x 1.5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring301820.4M22 x 1.5HexClass 8Zinc Yellow (ZDC)Metric22FineM22 F | M22 x 1.5
3851603-0022-150-3-0M22 x 1.5 SLN, Hex, Class 8301820.4M22 x 1.5HexClass 8No PlatingMetric22FineM22 F | M22 x 1.5
3841603-0020-150-4-2M20 x 1.5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring301820.5M20 x 1.5HexClass 10Zinc Yellow (ZDC)Metric20FineM20 F | M20 x 1.5
3831603-0020-150-4-0M20 x 1.5 SLN, Hex, Class 10301820.5M20 x 1.5HexClass 10No PlatingMetric20FineM20 F | M20 x 1.5
3821603-0020-150-3-2M20 x 1.5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring301820.5M20 x 1.5HexClass 8Zinc Yellow (ZDC)Metric20FineM20 F | M20 x 1.5
3811603-0020-150-3-0M20 x 1.5 SLN, Hex, Class 8301820.5M20 x 1.5HexClass 8No PlatingMetric20FineM20 F | M20 x 1.5
3801603-0016-150-4-2M16 x 1.5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring241315M16 x 1.5HexClass 10Zinc Yellow (ZDC)Metric16FineM16 F | M16 x 1.5
3791603-0016-150-4-0M16 x 1.5 SLN, Hex, Class 10241315M16 x 1.5HexClass 10No PlatingMetric16FineM16 F | M16 x 1.5
3781603-0016-150-3-2M16 x 1.5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring241315M16 x 1.5HexClass 8Zinc Yellow (ZDC)Metric16FineM16 F | M16 x 1.5
3771603-0016-150-3-0M16 x 1.5 SLN, Hex, Class 8241315M16 x 1.5HexClass 8No PlatingMetric16FineM16 F | M16 x 1.5
3761603-0012-125-4-2M12 x 1.25 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring1911.112.2M12 x 1.25HexClass 10Zinc Yellow (ZDC)Metric12FineM12 F | M12 x 1.25
3751603-0012-125-4-0M12 x 1.25 SLN, Hex, Class 101911.112.2M12 x 1.25HexClass 10No PlatingMetric12FineM12 F | M12 x 1.25
3741603-0012-125-3-2M12 x 1.25 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring1911.112.2M12 x 1.25HexClass 8Zinc Yellow (ZDC)Metric12FineM12 F | M12 x 1.25
3731603-0012-125-3-0M12 x 1.25 SLN, Hex, Class 81911.112.2M12 x 1.25HexClass 8No PlatingMetric12FineM12 F | M12 x 1.25
3721603-0010-125-4-2M10 x 1.25 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring1789.4M10 x 1.25HexClass 10Zinc Yellow (ZDC)Metric10FineM10 F | M10 x 1.25
3711603-0010-125-4-0M10 x 1.25 SLN, Hex, Class 101789.4M10 x 1.25HexClass 10No PlatingMetric10FineM10 F | M10 x 1.25
3701012-2500-120-2-22-1/2 x 12 SLN XHPT, Heavy Hex, Thin.Grade 8, Zinc Yellow Plating, ATD Lock Ring3.8751.51.6922-1/2 x 12Hex, Heavy ThinGrade 8Zinc Yellow (ZDC)Inch2.5Fine2.500 F | 2-1/2 x 12
3691012-2500-120-2-52-1/2 x 12 SLN XHPT, Heavy Hex, Thin.Grade 8, ATD Lock Ring3.8751.51.6922-1/2 x 12Hex, Heavy ThinGrade 8No PlatingInch2.5Fine2.500 F | 2-1/2 x 12
3681013-2000-120-2-52" x 12 SLN, Finished Hex, Grade 8, XHPT ATD Lock Ring31.7192.012" x 12 Hex, FinishedGrade 8No PlatingInch2Fine2.000 F | 2" x 12
3671013-2000-120-1-52" x 12 SLN, Finished Hex, XHPT ATD Lock Ring, Grade 531.7192.012" x 12 Hex, FinishedGrade 5No PlatingInch2Fine2.000 F | 2" x 12
3661014-1750-120-2-51-3/4 x 12 SLN XHPT, Finished Hex, Thin, Grade 8, ATD Lock Ring2.6250.9691.2291-3/4 x 12Hex, Finished ThinGrade 8No PlatingInch1.75Fine1.750 F | 1-3/4 x 12
3651013-1750-120-2-21-3/4 X 12 SLN XHPT, Fin. Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring.2.6251.51.761-3/4 X 12Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1.75Fine1.750 F | 1-3/4 X 12
3641013-1750-120-2-51-3/4 x 12 SLN XHPT, Finished Hex, Grade 82.6251.51.761-3/4 x 12Hex, FinishedGrade 8No PlatingInch1.75Fine1.750 F | 1-3/4 x 12
3631013-1750-120-1-51-3/4 x 12 SLN XHPT, Finished Hex, Grade 5, ATD Lock Ring2.6251.51.761-3/4 x 12Hex, FinishedGrade 5No PlatingInch1.75Fine1.750 F | 1-3/4 x 12
3621004-1500-120-2-21-1/2 x 12 SLN, Fin. Hex, Thin, Grade 8.Zinc Yellow Plating NB, ATD Lock Ring2.250.8441.0291-1/2 x 12Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch1.5Fine1.500 F | 1-1/2 x 12
3611004-1500-120-2-51-1/2 x 12 SLN, Fin Hex, Thin, Grade 8, ATD Lock Ring2.250.8441.0291-1/2 x 12Hex, Finished ThinGrade 8No PlatingInch1.5Fine1.500 F | 1-1/2 x 12
3601003-1500-120-2-21-1/2 x 12 SLN, Finished Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring2.251.2811.5291-1/2 x 12Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1.5Fine1.500 F | 1-1/2 x 12
3591003-1500-120-2-51-1/2 x 12 SLN, Finished Hex, Grade 8, ATD Lock Ring2.251.2811.5291-1/2 x 12Hex, FinishedGrade 8No PlatingInch1.5Fine1.500 F | 1-1/2 x 12
3581003-1500-120-1-21-1/2 x 12 SLN, Finished Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring2.251.2811.5291-1/2 x 12Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch1.5Fine1.500 F | 1-1/2 x 12
3571003-1500-120-1-51-1/2 x 12 SLN, Finished Hex, Grade 5, ATD Lock Ring2.251.2811.5291-1/2 x 12Hex, FinishedGrade 5No PlatingInch1.5Fine1.500 F | 1-1/2 x 12
3561014-1375-120-2-21-3/8 x 12 SLN XHPT, Finished Hex, Thin.Grade 8, Zinc Yellow Plating, ATD Lock Ring2.0630.7810.9581-3/8 x 12Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch1.375Fine1.375 F | 1-3/8 x 12
3551014-1375-120-2-51-3/8 x 12 SLN XHPT, Finished Hex, Thin.Grade 8, ATD Lock Ring2.0630.7810.9581-3/8 x 12Hex, Finished ThinGrade 8No PlatingInch1.375Fine1.375 F | 1-3/8 x 12
3541013-1375-120-2-21-3/8 x 12 SLN XHPT, Finished Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring2.0631.1721.3491-3/8 x 12Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1.375Fine1.375 F | 1-3/8 x 12
3531013-1375-120-2-51-3/8 x 12 SLN XHPT, Finished Hex.Grade 8, ATD Lock Ring2.0631.1721.3491-3/8 x 12Hex, FinishedGrade 8No PlatingInch1.375Fine1.375 F | 1-3/8 x 12
3521013-1375-120-1-21-3/8 x 12 SLN XHPT, Finished Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring2.0631.1721.3491-3/8 x 12Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch1.375Fine1.375 F | 1-3/8 x 12
3511013-1375-120-1-51-3/8 x 12 SLN XHPT, Finished Hex.Grade 5, ATD Lock Ring2.0631.1721.3491-3/8 x 12Hex, FinishedGrade 5No PlatingInch1.375Fine1.375 F | 1-3/8 x 12
3501014-1250-120-2-21-1/4 x 12 SLN XHPT, Fin Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.8750.7190.9171-1/4 x 12Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch1.25Fine1.250 F | 1-1/4 x 12
3491004-1250-120-2-21-1/4 x 12 SLN, Fin Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.8750.7190.9171-1/4 x 12Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch1.25Fine1.250 F | 1-1/4 x 12
3481014-1250-120-2-51-1/4 x 12 SLN XHPT, Fin Hex, Thin, Grade 8, ATD Lock Ring1.8750.7190.9171-1/4 x 12Hex, Finished ThinGrade 8No PlatingInch1.25Fine1.250 F | 1-1/4 x 12
3471004-1250-120-2-51-1/4 x 12 SLN, Fin Hex, Thin, Grade 8, ATD Lock Ring1.8750.7190.9171-1/4 x 12Hex, Finished ThinGrade 8No PlatingInch1.25Fine1.250 F | 1-1/4 x 12
3461013-1250-120-2-21-1/4 x 12 SLN XHPT, Fin. Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.8751.0621.261-1/4 x 12Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1.25Fine1.250 F | 1-1/4 x 12
3451003-1250-120-2-21-1/4 x 12 SLN, Fin Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.8751.0621.2911-1/4 x 12Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1.25Fine1.250 F | 1-1/4 x 12
3441013-1250-120-2-51-1/4 x 12 SLN XHPT, Fin. Hex, Grade 8, ATD Lock Ring1.8751.0621.261-1/4 x 12Hex, FinishedGrade 8No PlatingInch1.25Fine1.250 F | 1-1/4 x 12
3431003-1250-120-2-51-1/4 x 12 SLN, Finished Hex, Grade 8, ATD Lock Ring1.8751.0621.2911-1/4 x 12Hex, FinishedGrade 8No PlatingInch1.25Fine1.250 F | 1-1/4 x 12
3421013-1250-120-1-21-1/4 x 12 SLN XHPT, Fin. Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.8751.0621.261-1/4 x 12Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch1.25Fine1.250 F | 1-1/4 x 12
3411003-1250-120-1-21-1/4 x 12 SLN, Finished Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.8751.0621.2911-1/4 x 12Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch1.25Fine1.250 F | 1-1/4 x 12
3401003-1250-120-1-51-1/4 x 12 SLN, Finished Hex, Grade 5, ATD Lock Ring1.8751.0621.2911-1/4 x 12Hex, FinishedGrade 5No PlatingInch1.25Fine1.250 F | 1-1/4 x 12
3391004-1125-120-2-21-1/8 x 12 SLN, Fin. Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.6880.6090.7911-1/8 x 12Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch1.125Fine1.125 F | 1-1/8 x 12
3381004-1125-120-2-51-1/8 x 12 SLN, Finished Hex, Thin, Grade 8.ATD Lock Ring1.6880.6090.7911-1/8 x 12Hex, Finished ThinGrade 8No PlatingInch1.125Fine1.125 F | 1-1/8 x 12
3371003-1125-120-2-21-1/8 x 12 SLN, Finished Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.6880.9691.1671-1/8 x 12Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1.125Fine1.125 F | 1-1/8 x 12
3361003-1125-120-2-51-1/8 x 12 SLN, Finished Hex, Grade 8, ATD Lock Ring1.6880.9691.1671-1/8 x 12Hex, FinishedGrade 8No PlatingInch1.125Fine1.125 F | 1-1/8 x 12
3351003-1125-120-1-21-1/8 x 12 SLN, Finished Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.6880.9691.1671-1/8 x 12Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch1.125Fine1.125 F | 1-1/8 x 12
3341003-1125-120-1-51-1/8 x 12 SLN, Finished Hex, Grade 5, ATD Lock Ring1.6880.9691.1671-1/8 x 12Hex, FinishedGrade 5No PlatingInch1.125Fine1.125 F | 1-1/8 x 12
3331004-1000-140-2-21" x 14 SLN, Finished Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.50.5470.7081" x 14 Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch1Fine1.000 F | 1" x 14
3321004-1000-140-2-51" x 14 SLN, Finished Hex, Thin, Grade 8, ATD Lock Ring1.50.5470.7081" x 14 Hex, Finished ThinGrade 8No PlatingInch1Fine1.000 F | 1" x 14
3311003-1000-140-2-21" x 14 SLN, Finished Hex, Grade 8.Zinc Yellow Plating NB, ATD Lock Ring1.50.8591.0351" x 14 Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1Fine1.000 F | 1" x 14
3301003-1000-140-2-51" x 14 SLN, Fin. Hex, Grade 8, ATD Lock Ring1.50.8591.0351" x 14 Hex, FinishedGrade 8No PlatingInch1Fine1.000 F | 1" x 14
3291003-1000-140-2-01" x 14 SLN, Finished Hex, Grade 81.50.8591.0351" x 14 Hex, FinishedGrade 8No PlatingInch1Fine1.000 F | 1" x 14
3281003-1000-140-1-21" x 14 SLN, Finished Hex, Grade 5.Zinc Yellow Plating NB, ATD Lock Ring1.50.8591.0351" x 14 Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch1Fine1.000 F | 1" x 14
3271003-1000-140-1-51" x 14 SLN, Fin. Hex, Grade 5, ATD Lock Ring1.50.8591.0351" x 14 Hex, FinishedGrade 5No PlatingInch1Fine1.000 F | 1" x 14
3261003-1000-140-1-01" x 14 SLN, Finished Hex, Grade 51.50.8591.0351" x 14 Hex, FinishedGrade 5No PlatingInch1Fine1.000 F | 1" x 14
3251004-0875-140-2-27/8 x 14 SLN, Fin Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.3130.4840.6297/8 x 14Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch0.875Fine0.875 F | 7/8 x 14
3241004-0875-140-2-57/8 x 14 SLN, Fin Hex, Thin, Grade 8, ATD Lock Ring1.3130.4840.6297/8 x 14Hex, Finished ThinGrade 8No PlatingInch0.875Fine0.875 F | 7/8 x 14
3231003-0875-140-2-27/8 x 14 SLN, Finished Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.3130.750.9017/8 x 14Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch0.875Fine0.875 F | 7/8 x 14
3221003-0875-140-2-57/8 x 14 SLN, Fin. Hex, ATD Lock Ring, Grade 81.3130.750.9017/8 x 14Hex, FinishedGrade 8No PlatingInch0.875Fine0.875 F | 7/8 x 14
3211003-0875-140-2-07/8 x 14 SLN, Finished Hex, Grade 81.3130.750.9017/8 x 14Hex, FinishedGrade 8No PlatingInch0.875Fine0.875 F | 7/8 x 14
3201003-0875-140-1-27/8 x 14 SLN, Fin. Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.3130.750.9017/8 x 14Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch0.875Fine0.875 F | 7/8 x 14
3191003-0875-140-1-57/8 x 14 SLN, Fin. Hex, ATD Lock Ring, Grade 5..1.3130.750.9017/8 x 14Hex, FinishedGrade 5No PlatingInch0.875Fine0.875 F | 7/8 x 14
3181004-0750-160-2-23/4 x 16 SLN, Fin. Hex, Thin, Zinc Yellow Plating, ATD Lock Ring, Grade 81.1250.4220.5473/4 x 16Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch0.75Fine0.750 F | 3/4 x 16
3171004-0750-160-2-53/4 x 16 SLN, Fin. Hex, Thin, Grade 8, ATD Lock Ring1.1250.4220.5473/4 x 16Hex, Finished ThinGrade 8No PlatingInch0.75Fine0.750 F | 3/4 x 16
3161004-0750-160-2-03/4 x 16 SLN, Finished Hex, Thin, Grade 81.1250.4220.5473/4 x 16Hex, Finished ThinGrade 8No PlatingInch0.75Fine0.750 F | 3/4 x 16
3151003-0750-160-2-23/4 x 16 SLN, Finished Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.1250.6410.7823/4 x 16Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch0.75Fine0.750 F | 3/4 x 16
3141003-0750-160-2-53/4 x 16 SLN, Finished Hex, Grade 8, ATD Lock Ring1.1250.6410.7823/4 x 16Hex, FinishedGrade 8No PlatingInch0.75Fine0.750 F | 3/4 x 16
3131003-0750-160-1-23/4 x 16 SLN, Finished Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.1250.6410.7823/4 x 16Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch0.75Fine0.750 F | 3/4 x 16
3121003-0750-160-1-53/4 x 16 SLN, Fin. Hex, ATD Lock Ring, Grade 51.1250.6410.7823/4 x 16Hex, FinishedGrade 5No PlatingInch0.75Fine0.750 F | 3/4 x 16
3111003-0750-160-1-03/4 x 16 SLN, Finished Hex, Grade 5..Do not sell, sell 1-5's. RTW1.1250.6410.7823/4 x 16Hex, FinishedGrade 5No PlatingInch0.75Fine0.750 F | 3/4 x 16
3101004-0625-180-2-25/8 x 18 SLN, Finished Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring0.9380.3750.4815/8 x 18Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch0.625Fine0.625 F | 5/8 x 18
3091004-0625-180-2-55/8 x 18 SLN, Fin. Hex, Thin, Grade 8, ATD Lock Ring0.9380.3750.4815/8 x 18Hex, Finished ThinGrade 8No PlatingInch0.625Fine0.625 F | 5/8 x 18
3081004-0625-180-2-05/8 x 18 SLN, Finished Hex, Thin, Grade 80.9380.3750.4815/8 x 18Hex, Finished ThinGrade 8No PlatingInch0.625Fine0.625 F | 5/8 x 18
3071003-0625-180-2-25/8 x 18 SLN, Finished Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring0.9380.5470.6535/8 x 18Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch0.625Fine0.625 F | 5/8 x 18
3061003-0625-180-2-55/8 x 18 SLN, Fin. Hex, ATD Lock Ring, Grade 80.9380.5470.6535/8 x 18Hex, FinishedGrade 8No PlatingInch0.625Fine0.625 F | 5/8 x 18
3051003-0625-180-2-05/8 x 18 SLN, Finished Hex, Grade 80.9380.5470.6535/8 x 18Hex, FinishedGrade 8No PlatingInch0.625Fine0.625 F | 5/8 x 18
3041003-0625-180-1-25/8 x 18 SLN, Fin. Hex, Zinc Yellow Plating, ATD Lock Ring, Grade 50.9380.5470.6535/8 x 18Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch0.625Fine0.625 F | 5/8 x 18
3031003-0625-180-1-55/8 x 18 SLN, Fin. Hex, ATD Lock Ring, Grade 50.9380.5470.6535/8 x 18Hex, FinishedGrade 5No PlatingInch0.625Fine0.625 F | 5/8 x 18
3021003-0625-180-1-05/8 x 18 SLN, Finished Hex, Grade 50.9380.5470.6535/8 x 18Hex, FinishedGrade 5No PlatingInch0.625Fine0.625 F | 5/8 x 18
3011004-0500-200-2-21/2 x 20 SLN, Finished Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring0.750.3130.41/2 x 20Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch0.5Fine0.500 F | 1/2 x 20
3001004-0500-200-2-01/2 x 20 SLN, Finished Hex, Thin, Grade 80.750.3130.41/2 x 20Hex, Finished ThinGrade 8No PlatingInch0.5Fine0.500 F | 1/2 x 20
2991003-0500-200-2-21/2 x 20 SLN, Finished Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring0.750.4380.5251/2 x 20Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch0.5Fine0.500 F | 1/2 x 20
2981003-0500-200-2-01/2 x 20 SLN, Finished Hex, Grade 80.750.4380.5251/2 x 20Hex, FinishedGrade 8No PlatingInch0.5Fine0.500 F | 1/2 x 20
2971003-0500-200-1-21/2 x 20 SLN, Finished Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring0.750.4380.5251/2 x 20Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch0.5Fine0.500 F | 1/2 x 20
2961003-0500-200-1-01/2 x 20 SLN, Finished Hex, Grade 50.750.4380.5251/2 x 20Hex, FinishedGrade 5No PlatingInch0.5Fine0.500 F | 1/2 x 20
2951613-0064-600-4-5M64 x 6.0 SLN, Hex, Class 10, ATD Lock Ring955159.8M64 x 6.0HexClass 10No PlatingMetric64CourseM64 C | M64 x 6.0
2941613-0064-600-3-2M64 x 6.0 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring955159.8M64 x 6.0HexClass 8Zinc Yellow (ZDC)Metric64CourseM64 C | M64 x 6.0
2931613-0064-600-3-5M64 x 6.0 SLN, Hex, Class 8, ATD Lock Ring955159.8M64 x 6.0HexClass 8No PlatingMetric64CourseM64 C | M64 x 6.0
2921603-0056-550-4-2M56 x 5.5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring854553.3M56 x 5.5HexClass 10Zinc Yellow (ZDC)Metric56CourseM56 C | M56 x 5.5
2911603-0056-550-4-5M56 x 5.5 SLN, Hex, Class 10, ATD Lock Ring854553.3M56 x 5.5HexClass 10No PlatingMetric56CourseM56 C | M56 x 5.5
2901603-0056-550-3-2M56 x 5.5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring854553.3M56 x 5.5HexClass 8Zinc Yellow (ZDC)Metric56CourseM56 C | M56 x 5.5
2891603-0056-550-3-5M56 x 5.5 SLN, Hex, Class 8, ATD Lock Ring854553.3M56 x 5.5HexClass 8No PlatingMetric56CourseM56 C | M56 x 5.5
2881603-0052-500-4-2M52 x 5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring804250.1M52 x 5.0HexClass 10Zinc Yellow (ZDC)Metric52CourseM52 C | M52 x 5.0
2871603-0052-500-4-5M52 x 5 SLN, Hex, Class 10, ATD Lock Ring804250.1M52 x 5.0HexClass 10No PlatingMetric52CourseM52 C | M52 x 5.0
2861603-0052-500-3-2M52 x 5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring804250.1M52 x 5.0HexClass 8Zinc Yellow (ZDC)Metric52CourseM52 C | M52 x 5.0
2851603-0052-500-3-5M52 x 5 SLN, Hex, Class 8, ATD Lock Ring804250.1M52 x 5.0HexClass 8No PlatingMetric52CourseM52 C | M52 x 5.0
2831603-0048-500-4-2M48 x 5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring753846.1M48 x 5.0HexClass 10Zinc Yellow (ZDC)Metric48CourseM48 C | M48 x 5.0
2821603-0048-500-4-5M48 x 5 SLN, Hex, Class 10, ATD Lock Ring753846.1M48 x 5.0HexClass 10No PlatingMetric48CourseM48 C | M48 x 5.0
2811603-0048-500-3-2M48 x 5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring753846.1M48 x 5.0HexClass 8Zinc Yellow (ZDC)Metric48CourseM48 C | M48 x 5.0
2801603-0048-500-3-5M48 x 5 SLN, Hex, Class 8, ATD Lock Ring753846.1M48 x 5.0HexClass 8No PlatingMetric48CourseM48 C | M48 x 5.0
2791603-0045-450-4-2M45 x 4.5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring703643M45 x 4.5HexClass 10Zinc Yellow (ZDC)Metric45CourseM45 C | M45 x 4.5
2781603-0045-450-4-5M45 x 4.5 SLN, Hex, Class 10, ATD Lock Ring703643M45 x 4.5HexClass 10No PlatingMetric45CourseM45 C | M45 x 4.5
2771603-0045-450-3-2M45 x 4.5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring703643M45 x 4.5HexClass 8Zinc Yellow (ZDC)Metric45CourseM45 C | M45 x 4.5
2761603-0045-450-3-5M45 x 4.5 SLN, Hex, Class 8, ATD Lock Ring703643M45 x 4.5HexClass 8No PlatingMetric45CourseM45 C | M45 x 4.5
2751603-0042-450-4-2M42 x 4.5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring653441M42 x 4.5HexClass 10Zinc Yellow (ZDC)Metric42CourseM42 C | M42 x 4.5
2741603-0042-450-4-5M42 x 4.5 SLN, Hex, Class 10, ATD Lock Ring653441M42 x 4.5HexClass 10No PlatingMetric42CourseM42 C | M42 x 4.5
2731603-0042-450-3-2M42 x 4.5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring653441M42 x 4.5HexClass 8Zinc Yellow (ZDC)Metric42CourseM42 C | M42 x 4.5
2721603-0042-450-3-5M42 x 4.5 SLN, Hex, Class 8, ATD Lock Ring653441M42 x 4.5HexClass 8No PlatingMetric42CourseM42 C | M42 x 4.5
2711603-0039-400-4-2M39 x 4 SLN, Hex, Class 10, Zinc Yellow Plating..ATD Lock Ring6038.144.5M36 x 4.0HexClass 10Zinc Yellow (ZDC)Metric39CourseM39 C | M36 x 4.0
2691603-0039-400-4-5M39 x 4 SLN, Hex, Class 10, ATD Lock Ring6038.144.5M36 x 4.0HexClass 10No PlatingMetric39CourseM39 C | M36 x 4.0
2681603-0039-400-3-2M39 x 4 SLN, Hex, Class 8, Zinc Yellow Plating6038.144.5M36 x 4.0HexClass 8Zinc Yellow (ZDC)Metric39CourseM39 C | M36 x 4.0
2671603-0039-400-3-5M39 x 4 SLN, Hex, Class 8, ATD Lock Ring6038.144.5M36 x 4.0HexClass 8No PlatingMetric39CourseM39 C | M36 x 4.0
2661601-0036-400-4-5M36 x 4.0 SLN, Heavy Hex, Class 10, ATD Lock Ring602935.1M36 x 4.0Hex, HeavyClass 10No PlatingMetric36CourseM36 C | M36 x 4.0
2651603-0036-400-4-2M36 x 4 SLN, Class 10, Zinc Yellow Plating, ATD Lock Ring553540.9M36 x 4.0HexClass 10Zinc Yellow (ZDC)Metric36CourseM36 C | M36 x 4.0
2641603-0036-400-4-5M36 x 4 SLN, Hex, Class 10, ATD Lock Ring553540.9M36 x 4.0HexClass 10No PlatingMetric36CourseM36 C | M36 x 4.0
2631603-0036-400-3-2M36 x 4 SLN, Hex, Class 8, Zinc Yellow Plating553540.9M36 x 4.0HexClass 8Zinc Yellow (ZDC)Metric36CourseM36 C | M36 x 4.0
2621603-0036-400-3-5M36 x 4 SLN, Hex, Class 8, ATD Lock Ring553540.9M36 x 4.0HexClass 8No PlatingMetric36CourseM36 C | M36 x 4.0
2611603-0033-350-4-2M33 x 3.5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring5031.835.6M33 x 3.5HexClass 10Zinc Yellow (ZDC)Metric33CourseM33 C | M33 x 3.5
2591603-0033-350-4-5M33 x 3.5 SLN, Hex, Class 10, ATD Lock Ring5031.835.6M33 x 3.5HexClass 10No PlatingMetric33CourseM33 C | M33 x 3.5
2581603-0033-350-3-2M33 x 3.5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring5031.835.6M33 x 3.5HexClass 8Zinc Yellow (ZDC)Metric33CourseM33 C | M33 x 3.5
2571603-0033-350-3-5M33 x 3.5 SLN, Hex, Class 8, ATD Lock Ring5031.835.6M33 x 3.5HexClass 8No PlatingMetric33CourseM33 C | M33 x 3.5
2561601-0030-350-4-2M30 x 3.5 SLN, Special Hvy Hex, Class 10.. Zinc Yellow Plating, ATD Lock Ring503237.1M30 x 3.5Hex, HeavyClass 10Zinc Yellow (ZDC)Metric30CourseM30 C | M30 x 3.5
2551601-0030-350-4-5M30 x 3.5 SLN, Special Hvy Hex, Class 10, ATD Lock Ring503237.1M30 x 3.5Hex, HeavyClass 10No PlatingMetric30CourseM30 C | M30 x 3.5
2541601-0030-350-4-0M30 x 3.5 SLN, Special Hvy Hex, Class 10503237.1M30 x 3.5Hex, HeavyClass 10No PlatingMetric30CourseM30 C | M30 x 3.5
2531601-0030-350-3-2M30 x 3.5 SLN, Special Hvy Hex, Class 8.. Zinc Yellow Plating, ATD Lock Ring503237.1M30 x 3.5Hex, HeavyClass 8Zinc Yellow (ZDC)Metric30CourseM30 C | M30 x 3.5
2521601-0030-350-3-5M30 x 3.5 SLN, Special Hvy Hex, Class 8, ATD Lock Ring503237.1M30 x 3.5Hex, HeavyClass 8No PlatingMetric30CourseM30 C | M30 x 3.5
2511601-0030-350-3-0M30 x 3.5 SLN, Special Hvy Hex, Class 8503237.1M30 x 3.5Hex, HeavyClass 8No PlatingMetric30CourseM30 C | M30 x 3.5
2501603-0030-350-4-2M30 x 3.5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring462428.4M30 x 3.5HexClass 10Zinc Yellow (ZDC)Metric30CourseM30 C | M30 x 3.5
2491603-0030-350-4-5M30 x 3.5 SLN, Hex, Class 10, ATD Lock Ring462428.4M30 x 3.5HexClass 10No PlatingMetric30CourseM30 C | M30 x 3.5
2481603-0030-350-4-0M30 x 3.5 SLN, Hex, Class 10462428.4M30 x 3.5HexClass 10No PlatingMetric30CourseM30 C | M30 x 3.5
2471603-0030-350-3-2M30 x 3.5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring462428.4M30 x 3.5HexClass 8Zinc Yellow (ZDC)Metric30CourseM30 C | M30 x 3.5
2461603-0030-350-3-5M30 x 3.5 SLN, Hex, Class 8, ATD Lock Ring462428.4M30 x 3.5HexClass 8No PlatingMetric30CourseM30 C | M30 x 3.5
2451603-0030-350-3-0M30 x 3.5 SLN, Hex, Class 8462428.4M30 x 3.5HexClass 8No PlatingMetric30CourseM30 C | M30 x 3.5
2441601-0027-300-4-2M27 x 3.0 SLN, Heavy Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring46.128.633.6M27 x 3.0Hex, HeavyClass 10Zinc Yellow (ZDC)Metric27CourseM27 C | M27 x 3.0
2431601-0027-300-4-5M27 x 3.0 SLN, Heavy Hex, Class 10, ATD Lock Ring46.128.633.6M27 x 3.0Hex, HeavyClass 10No PlatingMetric27CourseM27 C | M27 x 3.0
2421601-0027-300-4-0M27 x 3.0 SLN, Heavy Hex, Class 1046.128.633.6M27 x 3.0Hex, HeavyClass 10No PlatingMetric27CourseM27 C | M27 x 3.0
2411603-0027-300-4-2M27 x 3 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring412529.2M27 x 3.0HexClass 10Zinc Yellow (ZDC)Metric27CourseM27 C | M27 x 3.0
2401603-0027-300-4-5M27 x 3 SLN, Hex, Class 10, ATD Lock Ring412529.2M27 x 3.0HexClass 10No PlatingMetric27CourseM27 C | M27 x 3.0
2391603-0027-300-4-0M27 x 3 SLN, Hex, Class 10412529.2M27 x 3.0HexClass 10No PlatingMetric27CourseM27 C | M27 x 3.0
2381603-0027-300-3-2M27 x 3 SLN, Hex, Class 8, Zinc Yellow Plating412529.2M27 x 3.0HexClass 8Zinc Yellow (ZDC)Metric27CourseM27 C | M27 x 3.0
2371603-0027-300-3-0M27 x 3 SLN, Hex, Class 8412529.2M27 x 3.0HexClass 8No PlatingMetric27CourseM27 C | M27 x 3.0
2361601-0024-300-4-2M24 x 3.0 SLN, Hvy Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring412629.8M24 x 3.0Hex, HeavyClass 10Zinc Yellow (ZDC)Metric24CourseM24 C | M24 x 3.0
2341601-0024-300-4-5M24 x 3.0 SLN, Heavy Hex, Class 10, ATD Lock Ring412629.8M24 x 3.0Hex, HeavyClass 10No PlatingMetric24CourseM24 C | M24 x 3.0
2331601-0024-300-4-0M24 x 3.0 SLN, Heavy Hex, Class 10412629.8M24 x 3.0Hex, HeavyClass 10No PlatingMetric24CourseM24 C | M24 x 3.0
2321601-0024-300-3-2M24 x 3.0 SLN, Hvy Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring412629.8M24 x 3.0Hex, HeavyClass 8Zinc Yellow (ZDC)Metric24CourseM24 C | M24 x 3.0
2311601-0024-300-3-5M24 x 3.0 SLN, Heavy Hex, Class 8, ATD Lock Ring412629.8M24 x 3.0Hex, HeavyClass 8No PlatingMetric24CourseM24 C | M24 x 3.0
2301601-0024-300-3-0M24 x 3.0 SLN, Heavy Hex, Class 8412629.8M24 x 3.0Hex, HeavyClass 8No PlatingMetric24CourseM24 C | M24 x 3.0
2291603-0024-300-4-2M24 x 3 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring3621.525.1M24 x 3.0HexClass 10Zinc Yellow (ZDC)Metric24CourseM24 C | M24 x 3.0
2281603-0024-300-4-5M24 x 3 SLN, Hex, Class 10, ATD Lock Ring3621.525.1M24 x 3.0HexClass 10No PlatingMetric24CourseM24 C | M24 x 3.0
2271603-0024-300-4-0M24 x 3 SLN, Hex, Class 103621.525.1M24 x 3.0HexClass 10No PlatingMetric24CourseM24 C | M24 x 3.0
2261603-0024-300-3-2M24 x 3 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring3621.525.1M24 x 3.0HexClass 8Zinc Yellow (ZDC)Metric24CourseM24 C | M24 x 3.0
2251603-0024-300-3-5M24 x 3 SLN, Hex, Class 8, ATD Lock Ring3621.525.1M24 x 3.0HexClass 8No PlatingMetric24CourseM24 C | M24 x 3.0
2241603-0024-300-3-0M24 x 3 SLN, Hex, Class 83621.525.1M24 x 3.0HexClass 8No PlatingMetric24CourseM24 C | M24 x 3.0
2231601-0022-250-4-5M22 x 2.5 SLN, Heavy Hex, Class 10, ATD Lock Ring36.522.225.3M22 x 2.5Hex, HeavyClass 10No PlatingMetric22CourseM22 C | M22 x 2.5
2221601-0022-250-4-0M22 x 2.5 SLN, Heavy Hex, Class 1036.522.225.3M22 x 2.5Hex, HeavyClass 10No PlatingMetric22CourseM22 C | M22 x 2.5
2211603-0022-250-4-2M22 x 2.5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring321820.9M22 x 2.5HexClass 10Zinc Yellow (ZDC)Metric22CourseM22 C | M22 x 2.5
2201603-0022-250-4-5M22 x 2.5 SLN, Hex, Class 10, ATD Lock Ring321820.9M22 x 2.5HexClass 10No PlatingMetric22CourseM22 C | M22 x 2.5
2191603-0022-250-4-0M22 x 2.5 SLN, Hex, Class 10321820.9M22 x 2.5HexClass 10No PlatingMetric22CourseM22 C | M22 x 2.5
2181603-0022-250-3-2M22 x 2.5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring321820.9M22 x 2.5HexClass 8Zinc Yellow (ZDC)Metric22CourseM22 C | M22 x 2.5
2171603-0022-250-3-0M22 x 2.5 SLN, Hex, Class 8321820.9M22 x 2.5HexClass 8No PlatingMetric22CourseM22 C | M22 x 2.5
2161601-0020-250-4-5M20 x 2.5 SLN, Heavy Hex, ATD Lock Ring, Class 10342023.1M20 x 2.5Hex, HeavyClass 10No PlatingMetric20CourseM20 C | M20 x 2.5
2151601-0020-250-4-0M20 x 2.5 SLN, Heavy Hex, Class 10..(ANSI B18.2.4.6M)342023.1M20 x 2.5Hex, HeavyClass 10No PlatingMetric20CourseM20 C | M20 x 2.5
2141603-0020-250-4-2M20 x 2.5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring301821M20 x 2.5HexClass 10Zinc Yellow (ZDC)Metric20CourseM20 C | M20 x 2.5
2131603-0020-250-4-5M20 x 2.5 SLN, Hex, ATD Lock Ring, Class 10301821M20 x 2.5HexClass 10No PlatingMetric20CourseM20 C | M20 x 2.5
2121603-0020-250-4-0M20 x 2.5 SLN, Hex, Class 10301821M20 x 2.5HexClass 10No PlatingMetric20CourseM20 C | M20 x 2.5
2111603-0020-250-3-2M20 x 2.5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring301821M20 x 2.5HexClass 8Zinc Yellow (ZDC)Metric20CourseM20 C | M20 x 2.5
2101603-0020-250-3-0M20 x 2.5 SLN, Hex, Class 8301821M20 x 2.5HexClass 8No PlatingMetric20CourseM20 C | M20 x 2.5
2091603-0016-200-4-2M16 x 2 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring2414.817M16 x 2.0HexClass 10Zinc Yellow (ZDC)Metric16CourseM16 C | M16 x 2.0
2081603-0016-200-4-5M16 x 2 SLN, Hex, Class 10, ATD Lock Ring2414.817M16 x 2.0HexClass 10No PlatingMetric16CourseM16 C | M16 x 2.0
2071603-0016-200-4-0M16 x 2 SLN, Hex, Class 102414.817M16 x 2.0HexClass 10No PlatingMetric16CourseM16 C | M16 x 2.0
2061603-0016-200-3-2M16 x 2 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring2414.817M16 x 2.0HexClass 8Zinc Yellow (ZDC)Metric16CourseM16 C | M16 x 2.0
2051603-0016-200-3-5M16 x 2 SLN, Hex, Class 8 w/ ATD Lock Ring2414.817M16 x 2.0HexClass 8No PlatingMetric16CourseM16 C | M16 x 2.0
2041603-0016-200-3-0M16 x 2 SLN, Hex, Class 82414.817M16 x 2.0HexClass 8No PlatingMetric16CourseM16 C | M16 x 2.0
2031603-0012-175-4-2M12 x 1.75 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring1911.112.5M12 x 1.75HexClass 10Zinc Yellow (ZDC)Metric12CourseM12 C | M12 x 1.75
2021603-0012-175-4-0M12 x 1.75 SLN, Hex, Class 101911.112.5M12 x 1.75HexClass 10No PlatingMetric12CourseM12 C | M12 x 1.75
2011603-0012-175-3-2M12 x 1.75 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring1911.112.5M12 x 1.75HexClass 8Zinc Yellow (ZDC)Metric12CourseM12 C | M12 x 1.75
2001603-0012-175-3-0M12 x 1.75 SLN, Hex, Class 81911.112.5M12 x 1.75HexClass 8No PlatingMetric12CourseM12 C | M12 x 1.75
1991603-0010-150-4-2M10 x 1.5 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring1789.6M10 x 1.5HexClass 10Zinc Yellow (ZDC)Metric10CourseM10 C | M10 x 1.5
1981603-0010-150-4-0M10 x 1.5 SLN, Hex, Class 101789.6M10 x 1.5HexClass 10No PlatingMetric10CourseM10 C | M10 x 1.5
1971603-0010-150-3-2M10 x 1.5 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring1789.6M10 x 1.5HexClass 8Zinc Yellow (ZDC)Metric10CourseM10 C | M10 x 1.5
1961603-0010-150-3-0M10 x 1.5 SLN, Hex, Class 81789.6M10 x 1.5HexClass 8No PlatingMetric10CourseM10 C | M10 x 1.5
1931011-2500-040-2-22-1/2 x 4 SLN XHPT, Heavy Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring3.8752.52.7752-1/2 x 4Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch2.5Course2.500 C | 2-1/2 x 4
1921011-2500-040-2-52-1/2 x 4 SLN XHPT, Heavy Hex, Grade 8, ATD Lock Ring3.8752.52.7752-1/2 x 4Hex, HeavyGrade 8No PlatingInch2.5Course2.500 C | 2-1/2 x 4
1911011-2500-040-1-22-1/2 x 4 SLN XHPT, Heavy Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring3.8752.52.7752-1/2 x 4Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch2.5Course2.500 C | 2-1/2 x 4
1901011-2500-040-1-52-1/2 x 4 SLN XHPT, Heavy Hex, Grade 5, ATD Lock Ring3.8752.52.7752-1/2 x 4Hex, HeavyGrade 5No PlatingInch2.5Course2.500 C | 2-1/2 x 4
1871011-2250-045-2-22-1/4 x 4-1/2 SLN XHPT, Heavy Hex.Grade 8, Zinc Yellow Plating, ATD Lock Ring3.52.252.5642-1/4 x 4-1/2Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch2.25Course2.250 C | 2-1/4 x 4-1/2
1861011-2250-045-2-52-1/4 x 4-1/2 SLN XHPT, Heavy Hex.Grade 8, ATD Lock Ring3.52.252.5642-1/4 x 4-1/2Hex, HeavyGrade 8No PlatingInch2.25Course2.250 C | 2-1/4 x 4-1/2
1851011-2250-045-1-22-1/4 x 4-1/2 SLN XHPT, Heavy Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring3.52.252.5642-1/4 x 4-1/2Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch2.25Course2.250 C | 2-1/4 x 4-1/2
1841011-2250-045-1-52-1/4 x 4-1/2 SLN XHPT, Heavy Hex.Grade 5, ATD Lock Ring3.52.252.5642-1/4 x 4-1/2Hex, HeavyGrade 5No PlatingInch2.25Course2.250 C | 2-1/4 x 4-1/2
1831013-2000-045-2-52" x 4-1/2 SLN XHPT, Heavy Hex, Grade 8, ATD Lock Ring31.7192.082" x 4-1/2 Hex, FinishedGrade 8No PlatingInch2Course2.000 C | 2" x 4-1/2
1821012-2000-045-2-52" x 4-1/2 SLN XHPT, Heavy Hex, Thin.Grade 8, ATD Lock Ring3.1251.1251.4552" x 4-1/2 Hex, Heavy ThinGrade 8No PlatingInch2Course2.000 C | 2" x 4-1/2
1811011-2000-045-2-22" x 4-1/2 SLN XHPT, Heavy Hex..Grade 8, Zinc Yellow Plating, ATD Lock Ring3.12522.332" x 4-1/2 Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch2Course2.000 C | 2" x 4-1/2
1801011-2000-045-2-52" x 4-1/2 SLN XHPT, Heavy Hex, Grade 8, ATD Lock Ring3.12522.332" x 4-1/2 Hex, HeavyGrade 8No PlatingInch2Course2.000 C | 2" x 4-1/2
1791011-2000-045-1-52" x 4-1/2 SLN XHPT, Heavy Hex, Grade 5, ATD Lock Ring3.12522.332" x 4-1/2 Hex, HeavyGrade 5No PlatingInch2Course2.000 C | 2" x 4-1/2
1781013-1750-050-2-51-3/4 x 5 SLN XHPT, Finished Hex, Grade 82.6251.51.8191-3/4 x 5Hex, FinishedGrade 8No PlatingInch1.75Course1.750 C | 1-3/4 x 5
1771011-1750-050-2-51-3/4 x 5 SLN XHPT, Hvy Hex, Grade 8, ATD Lock Ring2.751.752.0381-3/4 x 5Hex, HeavyGrade 8No PlatingInch1.75Course1.750 C | 1-3/4 x 5
1761011-1750-050-1-51-3/4 x 5 SLN XHPT, Hvy Hex, Grade 5, ATD Lock Ring2.751.752.0381-3/4 x 5Hex, HeavyGrade 5No PlatingInch1.75Course1.750 C | 1-3/4 x 5
1751004-1500-060-2-21-1/2 x 6 SLN, Finished Hex, Thin, Grade 8..Zinc Yellow Plating NB, ATD Lock Ring2.250.8441.0711-1/2 x 6Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch1.5Course1.500 C | 1-1/2 x 6
1741004-1500-060-2-51-1/2 x 6 SLN, Finished Hex, Thin, Grade 8, ATD Lock Ring2.250.8441.0711-1/2 x 6Hex, Finished ThinGrade 8No PlatingInch1.5Course1.500 C | 1-1/2 x 6
1731003-1500-060-2-21-1/2 x 6 SLN, Fin Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring2.251.2811.5711-1/2 x 6Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1.5Course1.500 C | 1-1/2 x 6
1721003-1500-060-2-51-1/2 x 6 SLN, Finished Hex, Grade 8, ATD Lock Ring2.251.2811.5711-1/2 x 6Hex, FinishedGrade 8No PlatingInch1.5Course1.500 C | 1-1/2 x 6
1711003-1500-060-1-21-1/2 x 6 SLN, Fin Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring2.251.2811.5711-1/2 x 6Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch1.5Course1.500 C | 1-1/2 x 6
1701003-1500-060-1-51-1/2 x 6 SLN, Finished Hex, Grade 5, ATD Lock Ring2.251.2811.5711-1/2 x 6Hex, FinishedGrade 5No PlatingInch1.5Course1.500 C | 1-1/2 x 6
1691002-1500-060-2-21-1/2 x 6 SLN, Heavy Hex, Thin, Grade 8..Zinc Yellow Plating NB, ATD Lock Ring2.3750.8751.1021-1/2 x 6Hex, Heavy ThinGrade 8Zinc Yellow (ZDC)Inch1.5Course1.500 C | 1-1/2 x 6
1681002-1500-060-2-51-1/2 x 6 SLN, Heavy Hex, Thin, Grade 8, ATD Lock Ring2.3750.8751.1021-1/2 x 6Hex, Heavy ThinGrade 8No PlatingInch1.5Course1.500 C | 1-1/2 x 6
1671011-1500-060-2-21-1/2 x 6 SLN XHPT, Hvy Hex, Grade 8..Zinc Yellow Plating NB, ATD Lock Ring2.3751.51.741-1/2 x 6Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch1.5Course1.500 C | 1-1/2 x 6
1661001-1500-060-2-21-1/2 x 6 SLN, Hvy Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring2.3751.51.7271-1/2 x 6Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch1.5Course1.500 C | 1-1/2 x 6
1651011-1500-060-2-51-1/2 x 6 SLN XHPT, Hvy Hex, Grade 8, ATD Lock Ring2.3751.51.741-1/2 x 6Hex, HeavyGrade 8No PlatingInch1.5Course1.500 C | 1-1/2 x 6
1641001-1500-060-2-51-1/2 x 6 SLN, Heavy Hex, Grade 8, ATD Lock Ring2.3751.51.7271-1/2 x 6Hex, HeavyGrade 8No PlatingInch1.5Course1.500 C | 1-1/2 x 6
1631001-1500-060-1-21-1/2 x 6 SLN, Heavy Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring2.3751.51.7271-1/2 x 6Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch1.5Course1.500 C | 1-1/2 x 6
1621011-1500-060-1-51-1/2 x 6 SLN XHPT, Hvy Hex, Grade 5, ATD Lock Ring2.3751.51.741-1/2 x 6Hex, HeavyGrade 5No PlatingInch1.5Course1.500 C | 1-1/2 x 6
1611001-1500-060-1-51-1/2 x 6 SLN, Heavy Hex, Grade 5, ATD Lock Ring2.3751.51.7271-1/2 x 6Hex, HeavyGrade 5No PlatingInch1.5Course1.500 C | 1-1/2 x 6
1561014-1375-060-2-21-3/8 x 6 SLN XHPT, Finished Hex, Thin.Grade 8, Zinc Yellow Plating, ATD Lock Ring2.0630.7810.9991-3/8 x 6Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch1.375Course1.375 C | 1-3/8 x 6
1551014-1375-060-2-51-3/8 x 6 SLN XHPT, Finished Hex, Thin.Grade 8, ATD Lock Ring2.0630.7810.9991-3/8 x 6Hex, Finished ThinGrade 8No PlatingInch1.375Course1.375 C | 1-3/8 x 6
1541013-1375-060-2-21-3/8 x 6 SLN XHPT, Finished Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring2.0631.1721.391-3/8 x 6Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1.375Course1.375 C | 1-3/8 x 6
1531013-1375-060-2-51-3/8 x 6 SLN XHPT, Finished Hex.Grade 8, ATD Lock Ring2.0631.1721.391-3/8 x 6Hex, FinishedGrade 8No PlatingInch1.375Course1.375 C | 1-3/8 x 6
1521013-1375-060-1-21-3/8 x 6 SLN XHPT, Finished Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring2.0631.1721.391-3/8 x 6Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch1.375Course1.375 C | 1-3/8 x 6
1511013-1375-060-1-51-3/8 x 6 SLN XHPT, Finished Hex.Grade 5, ATD Lock Ring2.0631.1721.391-3/8 x 6Hex, FinishedGrade 5No PlatingInch1.375Course1.375 C | 1-3/8 x 6
1501012-1375-060-2-21-3/8 x 6 SLN XHPT, Hvy Hex, Thin, Grade 8.. Zinc Yellow Plating, ATD Lock Ring2.1880.8130.9991-3/8 x 6Hex, Heavy ThinGrade 8Zinc Yellow (ZDC)Inch1.375Course1.375 C | 1-3/8 x 6
1491012-1375-060-2-51-3/8 x 6 SLN XHPT, Hvy Hx, Thin, Grade 8, ATD Lock Ring2.1880.8130.9991-3/8 x 6Hex, Heavy ThinGrade 8No PlatingInch1.375Course1.375 C | 1-3/8 x 6
1481011-1375-060-2-21-3/8 x 6 SLN XHPT, Hvy Hex, Grade 8 ..Zinc Yellow Plating NB, ATD Lock Ring2.1881.3751.4871-3/8 x 6Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch1.375Course1.375 C | 1-3/8 x 6
1471011-1375-060-2-51-3/8 x 6 SLN XHPT, Heavy Hex, Grade 8, ATD Lock Ring2.1881.3751.4871-3/8 x 6Hex, HeavyGrade 8No PlatingInch1.375Course1.375 C | 1-3/8 x 6
1461011-1375-060-1-21-3/8 x 6 SLN XHPT, Heavy Hex, Grade 5..Zinc Yellow Plating NB, ATD Lock Ring2.1881.3751.4871-3/8 x 6Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch1.375Course1.375 C | 1-3/8 x 6
1451011-1375-060-1-51-3/8 x 6 SLN XHPT, Heavy Hex, Grade 5, ATD Lock Ring2.1881.3751.4871-3/8 x 6Hex, HeavyGrade 5No PlatingInch1.375Course1.375 C | 1-3/8 x 6
1401004-1250-070-2-21-1/4 x 7 SLN, Finished Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.8750.7190.9471-1/4 x 7Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch1.25Course1.250 C | 1-1/4 x 7
1391004-1250-070-2-51-1/4 x 7 SLN, Finished Hex, Thin, Grade 8, ATD Lock Ring1.8750.7190.9471-1/4 x 7Hex, Finished ThinGrade 8No PlatingInch1.25Course1.250 C | 1-1/4 x 7
1381003-1250-070-2-21-1/4 x 7 SLN, Fin Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.8751.0621.3211-1/4 x 7Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1.25Course1.250 C | 1-1/4 x 7
1371003-1250-070-2-51-1/4 x 7 SLN, Finished Hex, Grade 8, ATD Lock Ring1.8751.0621.3211-1/4 x 7Hex, FinishedGrade 8No PlatingInch1.25Course1.250 C | 1-1/4 x 7
1361003-1250-070-1-21-1/4 x 7 SLN, Fin Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.8751.0621.3211-1/4 x 7Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch1.25Course1.250 C | 1-1/4 x 7
1351003-1250-070-1-51-1/4 x 7 SLN, Finished Hex, Grade 5, ATD Lock Ring1.8751.0621.3211-1/4 x 7Hex, FinishedGrade 5No PlatingInch1.25Course1.250 C | 1-1/4 x 7
1341002-1250-070-2-21-1/4 x 7 SLN, Heavy Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring20.750.9471-1/4 x 7Hex, Heavy ThinGrade 8Zinc Yellow (ZDC)Inch1.25Course1.250 C | 1-1/4 x 7
1331002-1250-070-2-51-1/4 x 7 SLN, Heavy Hex, Thin, Grade 8, ATD Lock Ring20.750.9471-1/4 x 7Hex, Heavy ThinGrade 8No PlatingInch1.25Course1.250 C | 1-1/4 x 7
1321011-1250-070-2-21-1/4 x 7 SLN XHPT, Hvy Hex, Grade 8..Zinc Yellow Plating NB, ATD Lock Ring21.251.3841-1/4 x 7Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch1.25Course1.250 C | 1-1/4 x 7
1311001-1250-070-2-21-1/4 x 7 SLN, Hvy Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring21.251.4471-1/4 x 7Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch1.25Course1.250 C | 1-1/4 x 7
1301011-1250-070-2-51-1/4 x 7 SLN XHPT, Hvy Hex, Grade 8, ATD Lock Ring21.251.3841-1/4 x 7Hex, HeavyGrade 8No PlatingInch1.25Course1.250 C | 1-1/4 x 7
1291001-1250-070-2-51-1/4 x 7 SLN, Heavy Hex, Grade 8, ATD Lock Ring21.251.4471-1/4 x 7Hex, HeavyGrade 8No PlatingInch1.25Course1.250 C | 1-1/4 x 7
1281011-1250-070-1-21-1/4 x 7 SLN XHPT, Hvy Hex, Grade 5,..Zinc Yellow Plating NB, ATD Lock Ring21.251.3841-1/4 x 7Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch1.25Course1.250 C | 1-1/4 x 7
1271001-1250-070-1-21-1/4 x 7 SLN, Hvy Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring21.251.4471-1/4 x 7Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch1.25Course1.250 C | 1-1/4 x 7
1261011-1250-070-1-51-1/4 x 7 SLN XHPT, Heavy Hex, Grade 5, ATD Lock Ring21.251.3841-1/4 x 7Hex, HeavyGrade 5No PlatingInch1.25Course1.250 C | 1-1/4 x 7
1251001-1250-070-1-51-1/4 x 7 SLN, Heavy Hex, Grade 5, ATD Lock Ring21.251.4471-1/4 x 7Hex, HeavyGrade 5No PlatingInch1.25Course1.250 C | 1-1/4 x 7
1201004-1125-070-2-21-1/8 x 7 SLN, Finished Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.6880.6090.8211-1/8 x 7Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch1.125Course1.125 C | 1-1/8 x 7
1191004-1125-070-2-51-1/8 x 7 SLN, Finished Hex, Thin, Grade 8, ATD Lock Ring1.6880.6090.8211-1/8 x 7Hex, Finished ThinGrade 8No PlatingInch1.125Course1.125 C | 1-1/8 x 7
1181003-1125-070-2-21-1/8 x 7 SLN, Fin. Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.6880.9691.1971-1/8 x 7Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1.125Course1.125 C | 1-1/8 x 7
1171003-1125-070-2-51-1/8 x 7 SLN, Finished Hex, Grade 8, ATD Lock Ring1.6880.9691.1971-1/8 x 7Hex, FinishedGrade 8No PlatingInch1.125Course1.125 C | 1-1/8 x 7
1161003-1125-070-1-21-1/8 x 7 SLN, Fin. Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.6880.9691.1971-1/8 x 7Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch1.125Course1.125 C | 1-1/8 x 7
1151003-1125-070-1-51-1/8 x 7 SLN, Finished Hex, Grade 5, ATD Lock Ring1.6880.9691.1971-1/8 x 7Hex, FinishedGrade 5No PlatingInch1.125Course1.125 C | 1-1/8 x 7
1141002-1125-070-2-21-1/8 x 7 SLN, Heavy Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.8130.6250.8211-1/8 x 7Hex, Heavy ThinGrade 8Zinc Yellow (ZDC)Inch1.125Course1.125 C | 1-1/8 x 7
1131002-1125-070-2-51-1/8 x 7 SLN, Heavy Hex, Thin, Grade 8, ATD Lock Ring1.8130.6250.8211-1/8 x 7Hex, Heavy ThinGrade 8No PlatingInch1.125Course1.125 C | 1-1/8 x 7
1121001-1125-070-2-21-1/8 x 7 SLN, Hvy Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.8131.1251.3211-1/8 x 7Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch1.125Course1.125 C | 1-1/8 x 7
1111001-1125-070-2-51-1/8 x 7 SLN, Heavy Hex, Grade 8, ATD Lock Ring1.8131.1251.3211-1/8 x 7Hex, HeavyGrade 8No PlatingInch1.125Course1.125 C | 1-1/8 x 7
1101001-1125-070-1-21-1/8 x 7 SLN, Hvy Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.8131.1251.3211-1/8 x 7Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch1.125Course1.125 C | 1-1/8 x 7
1091001-1125-070-1-51-1/8 x 7 SLN, Heavy Hex, Grade 5, ATD Lock Ring1.8131.1251.3211-1/8 x 7Hex, HeavyGrade 5No PlatingInch1.125Course1.125 C | 1-1/8 x 7
1021004-1000-080-2-21" x 8 SLN, Finished Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.50.5470.7351" x 8 Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch1Course1.000 C | 1" x 8
1011004-1000-080-2-51" x 8 SLN, Fin. Hex, Thin, Grade 8, ATD Lock Ring1.50.5470.7351" x 8 Hex, Finished ThinGrade 8No PlatingInch1Course1.000 C | 1" x 8
1001004-1000-080-2-01" x 8 SLN, Finished Hex, Thin, Grade 81.50.5470.7351" x 8 Hex, Finished ThinGrade 8No PlatingInch1Course1.000 C | 1" x 8
991003-1000-080-2-21" x 8 SLN, Fin. Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.50.8591.0621" x 8 Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch1Course1.000 C | 1" x 8
981003-1000-080-2-51" x 8 SLN, Fin. Hex, Grade 8, ATD Lock Ring1.50.8591.0621" x 8 Hex, FinishedGrade 8No PlatingInch1Course1.000 C | 1" x 8
971003-1000-080-2-01" x 8 SLN, Finished Hex, Grade 81.50.8591.0621" x 8 Hex, FinishedGrade 8No PlatingInch1Course1.000 C | 1" x 8
961003-1000-080-1-21" x 8 SLN, Fin. Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.50.8591.0621" x 8 Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch1Course1.000 C | 1" x 8
951003-1000-080-1-51" x 8 SLN, Fin. Hex, Grade 5, ATD Lock Ring1.50.8591.0621" x 8 Hex, FinishedGrade 5No PlatingInch1Course1.000 C | 1" x 8
941003-1000-080-1-01" x 8 SLN, Finished Hex, Grade 51.50.8591.0621" x 8 Hex, FinishedGrade 5No PlatingInch1Course1.000 C | 1" x 8
931002-1000-080-2-21" x 8 SLN, Heavy Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.6250.5630.7351" x 8 Hex, Heavy ThinGrade 8Zinc Yellow (ZDC)Inch1Course1.000 C | 1" x 8
921002-1000-080-2-51" x 8 SLN, Heavy Hex, Thin, Grade 8, ATD Lock Ring1.6250.5630.7351" x 8 Hex, Heavy ThinGrade 8No PlatingInch1Course1.000 C | 1" x 8
911002-1000-080-2-01" x 8 SLN, Heavy Hex, Thin, Grade 81.6250.5630.7351" x 8 Hex, Heavy ThinGrade 8No PlatingInch1Course1.000 C | 1" x 8
901001-1000-080-2-21" x 8 SLN, Heavy Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.62511.1721" x 8 Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch1Course1.000 C | 1" x 8
891001-1000-080-2-51" x 8 SLN, Heavy Hex, Grade 8, ATD Lock Ring1.62511.1721" x 8 Hex, HeavyGrade 8No PlatingInch1Course1.000 C | 1" x 8
881001-1000-080-2-01" x 8 SLN, Heavy Hex, Grade 81.62511.1721" x 8 Hex, HeavyGrade 8No PlatingInch1Course1.000 C | 1" x 8
871001-1000-080-1-21" x 8 SLN, Heavy Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.62511.1721" x 8 Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch1Course1.000 C | 1" x 8
861001-1000-080-1-51" x 8 SLN, Heavy Hex, Grade 5, ATD Lock Ring1.62511.1721" x 8 Hex, HeavyGrade 5No PlatingInch1Course1.000 C | 1" x 8
851001-1000-080-1-01" x 8 SLN, Heavy Hex, Grade 51.62511.1721" x 8 Hex, HeavyGrade 5No PlatingInch1Course1.000 C | 1" x 8
781004-0875-090-2-27/8 x 9 SLN, Finished Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.3130.4840.6497/8 x 9Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch0.875Course0.875 C | 7/8 x 9
771004-0875-090-2-07/8 x 9 SLN, Finished Hex, Thin, Grade 81.3130.4840.6497/8 x 9Hex, Finished ThinGrade 8No PlatingInch0.875Course0.875 C | 7/8 x 9
761003-0875-090-2-27/8 x 9 SLN, Finished Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.3130.750.9317/8 x 9Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch0.875Course0.875 C | 7/8 x 9
751003-0875-090-2-07/8 x 9 SLN, Finished Hex, Grade 81.3130.750.9317/8 x 9Hex, FinishedGrade 8No PlatingInch0.875Course0.875 C | 7/8 x 9
741003-0875-090-1-27/8 x 9 SLN, Finished Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.3130.750.9317/8 x 9Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch0.875Course0.875 C | 7/8 x 9
731003-0875-090-1-07/8 x 9 SLN, Finished Hex, Grade 51.3130.750.9317/8 x 9Hex, FinishedGrade 5No PlatingInch0.875Course0.875 C | 7/8 x 9
721002-0875-090-2-27/8 x 9 SLN, Heavy Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.4380.50.6497/8 x 9Hex, Heavy ThinGrade 8Zinc Yellow (ZDC)Inch0.875Course0.875 C | 7/8 x 9
711002-0875-090-2-07/8 x 9 SLN, Heavy Hex, Thin, Grade 81.4380.50.6497/8 x 9Hex, Heavy ThinGrade 8No PlatingInch0.875Course0.875 C | 7/8 x 9
701001-0875-090-2-27/8 x 9 SLN, Heavy Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.4380.8751.0247/8 x 9Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch0.875Course0.875 C | 7/8 x 9
691001-0875-090-2-57/8 x 9 SLN, Heavy Hex, Grade 8, ATD Lock Ring1.4380.8751.0247/8 x 9Hex, HeavyGrade 8No PlatingInch0.875Course0.875 C | 7/8 x 9
681001-0875-090-2-07/8 x 9 SLN, Heavy Hex, Grade 81.4380.8751.0247/8 x 9Hex, HeavyGrade 8No PlatingInch0.875Course0.875 C | 7/8 x 9
671001-0875-090-1-27/8 x 9 SLN, Heavy Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.4380.8751.0247/8 x 9Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch0.875Course0.875 C | 7/8 x 9
661001-0875-090-1-57/8 x 9 SLN, Heavy Hex, ATD Lock Ring, Grade 51.4380.8751.0247/8 x 9Hex, HeavyGrade 5No PlatingInch0.875Course0.875 C | 7/8 x 9
651001-0875-090-1-07/8 x 9 SLN, Heavy Hex, Grade 51.4380.8751.0247/8 x 9Hex, HeavyGrade 5No PlatingInch0.875Course0.875 C | 7/8 x 9
591004-0750-100-2-23/4 x 10 SLN, Fin. Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.1250.4220.5663/4 x 10Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch0.75Course0.750 C | 3/4 x 10
581004-0750-100-2-03/4 x 10 SLN, Finished Hex, Thin, Grade 81.1250.4220.5663/4 x 10Hex, Finished ThinGrade 8No PlatingInch0.75Course0.750 C | 3/4 x 10
571003-0750-100-2-23/4 x 10 SLN, Fin Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.1250.6410.83/4 x 10Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch0.75Course0.750 C | 3/4 x 10
561003-0750-100-2-03/4 x 10 SLN, Finished Hex, Grade 81.1250.6410.83/4 x 10Hex, FinishedGrade 8No PlatingInch0.75Course0.750 C | 3/4 x 10
551003-0750-100-1-23/4 x 10 SLN, Fin Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.1250.6410.83/4 x 10Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch0.75Course0.750 C | 3/4 x 10
541003-0750-100-1-03/4 x 10 SLN, Finished Hex, Grade 51.1250.6410.83/4 x 10Hex, FinishedGrade 5No PlatingInch0.75Course0.750 C | 3/4 x 10
531002-0750-100-2-23/4 x 10 SLN, Heavy Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.250.4380.5663/4 x 10Hex, Heavy ThinGrade 8Zinc Yellow (ZDC)Inch0.75Course0.750 C | 3/4 x 10
521002-0750-100-2-03/4 x 10 SLN, Heavy Hex, Thin, Grade 81.250.4380.5663/4 x 10Hex, Heavy ThinGrade 8No PlatingInch0.75Course0.750 C | 3/4 x 10
511001-0750-100-2-23/4 x 10 SLN, Hvy Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.250.750.8783/4 x 10Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch0.75Course0.750 C | 3/4 x 10
501001-0750-100-2-53/4 x 10 SLN, Heavy Hex, Grade 8, ATD Lock Ring1.250.750.8783/4 x 10Hex, HeavyGrade 8No PlatingInch0.75Course0.750 C | 3/4 x 10
491001-0750-100-2-03/4 x 10 SLN, Heavy Hex, Grade 81.250.750.8783/4 x 10Hex, HeavyGrade 8No PlatingInch0.75Course0.750 C | 3/4 x 10
481001-0750-100-1-23/4 x 10 SLN, Hvy Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.250.750.8783/4 x 10Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch0.75Course0.750 C | 3/4 x 10
471001-0750-100-1-53/4 x 10 SLN, Heavy Hex, Grade 5, ATD Lock Ring1.250.750.8783/4 x 10Hex, HeavyGrade 5No PlatingInch0.75Course0.750 C | 3/4 x 10
461001-0750-100-1-03/4 x 10 SLN, Heavy Hex, Grade 51.250.750.8783/4 x 10Hex, HeavyGrade 5No PlatingInch0.75Course0.750 C | 3/4 x 10
411004-0625-110-2-25/8 x 11 SLN, Fin. Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring0.9380.3750.4995/8 x 11Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch0.625Course0.625 C | 5/8 x 11
401004-0625-110-2-05/8 x 11 SLN, Finished Hex, Thin, Grade 80.9380.3750.4995/8 x 11Hex, Finished ThinGrade 8No PlatingInch0.625Course0.625 C | 5/8 x 11
391003-0625-110-2-25/8 x 11 SLN, Fin. Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring0.9380.5470.6715/8 x 11Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch0.625Course0.625 C | 5/8 x 11
381003-0625-110-2-05/8 x 11 SLN, Finished Hex, Grade 80.9380.5470.6715/8 x 11Hex, FinishedGrade 8No PlatingInch0.625Course0.625 C | 5/8 x 11
371003-0625-110-1-25/8 x 11 SLN, Fini. Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring0.9380.5470.6715/8 x 11Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch0.625Course0.625 C | 5/8 x 11
361003-0625-110-1-05/8 x 11 SLN, Finished Hex, Grade 50.9380.5470.6715/8 x 11Hex, FinishedGrade 5No PlatingInch0.625Course0.625 C | 5/8 x 11
351002-0625-110-2-25/8 x 11 SLN, Hvy Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.0630.3750.4995/8 x 11Hex, Heavy ThinGrade 8Zinc Yellow (ZDC)Inch0.625Course0.625 C | 5/8 x 11
341002-0625-110-2-05/8 x 11 SLN, Heavy Hex, Thin, Grade 81.0630.3750.4995/8 x 11Hex, Heavy ThinGrade 8No PlatingInch0.625Course0.625 C | 5/8 x 11
331001-0625-110-2-25/8 x 11 SLN, Hvy Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring1.0630.6250.7335/8 x 11Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch0.625Course0.625 C | 5/8 x 11
321001-0625-110-2-55/8 x 11 SLN, Heavy Hex, Grade 8, ATD Lock Ring1.0630.6250.7335/8 x 11Hex, HeavyGrade 8No PlatingInch0.625Course0.625 C | 5/8 x 11
311001-0625-110-2-05/8 x 11 SLN, Heavy Hex, Grade 81.0630.6250.7335/8 x 11Hex, HeavyGrade 8No PlatingInch0.625Course0.625 C | 5/8 x 11
301001-0625-110-1-25/8 x 11 SLN, Heavy Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring1.0630.6250.7335/8 x 11Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch0.625Course0.625 C | 5/8 x 11
291001-0625-110-1-55/8 x 11 SLN, Heavy Hex, Grade 5, ATD Lock Ring1.0630.6250.7335/8 x 11Hex, HeavyGrade 5No PlatingInch0.625Course0.625 C | 5/8 x 11
281001-0625-110-1-05/8 x 11 SLN, Heavy Hex, Grade 51.0630.6250.7335/8 x 11Hex, HeavyGrade 5No PlatingInch0.625Course0.625 C | 5/8 x 11
231004-0500-130-2-21/2 x 13 SLN, Fin. Hex, Thin, Zinc Yellow Plating, ATD Lock Ring Grade 80.750.3130.4131/2 x 13Hex, Finished ThinGrade 8Zinc Yellow (ZDC)Inch0.5Course0.500 C | 1/2 x 13
221004-0500-130-2-01/2 x 13 SLN, Finished Hex, Thin, Grade 80.750.3130.4131/2 x 13Hex, Finished ThinGrade 8No PlatingInch0.5Course0.500 C | 1/2 x 13
201003-0500-130-2-21/2 x 13 SLN, Finished Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring0.750.4380.5381/2 x 13Hex, FinishedGrade 8Zinc Yellow (ZDC)Inch0.5Course0.500 C | 1/2 x 13
181003-0500-130-2-01/2 x 13 SLN, Finished Hex, Grade 80.750.4380.5381/2 x 13Hex, FinishedGrade 8No PlatingInch0.5Course0.500 C | 1/2 x 13
161003-0500-130-1-21/2 x 13 SLN, Fin. Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring0.750.4380.5381/2 x 13Hex, FinishedGrade 5Zinc Yellow (ZDC)Inch0.5Course0.500 C | 1/2 x 13
141003-0500-130-1-01/2 x 13 SLN, Finished Hex, Grade 50.750.4380.5381/2 x 13Hex, FinishedGrade 5No PlatingInch0.5Course0.500 C | 1/2 x 13
131002-0500-130-2-21/2 x 13 SLN, Heavy Hex, Thin, Grade 8, Zinc Yellow Plating, ATD Lock Ring0.8750.3130.3981/2 x 13Hex, Heavy ThinGrade 8Zinc Yellow (ZDC)Inch0.5Course0.500 C | 1/2 x 13
121002-0500-130-2-01/2 x 13 SLN, Heavy Hex, Thin, Grade 80.8750.3130.3981/2 x 13Hex, Heavy ThinGrade 8No PlatingInch0.5Course0.500 C | 1/2 x 13
111001-0500-130-2-21/2 x 13 SLN, Heavy Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring0.8770.50.5851/2 x 13Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch0.5Course0.500 C | 1/2 x 13
101001-0500-130-2-51/2 x 13 SLN, Heavy Hex, Grade 8, ATD Lock Ring0.8770.50.5851/2 x 13Hex, HeavyGrade 8No PlatingInch0.5Course0.500 C | 1/2 x 13
91001-0500-130-2-01/2 x 13 SLN, Heavy Hex, Grade 80.8770.50.5851/2 x 13Hex, HeavyGrade 8No PlatingInch0.5Course0.500 C | 1/2 x 13
81001-0500-130-1-21/2 x 13 SLN, Heavy Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring0.8770.50.5851/2 x 13Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch0.5Course0.500 C | 1/2 x 13
71001-0500-130-1-51/2 x 13 SLN, Heavy Hex, Grade 5, ATD Lock Ring0.8770.50.5851/2 x 13Hex, HeavyGrade 5No PlatingInch0.5Course0.500 C | 1/2 x 13
61001-0500-130-1-01/2 x 13 SLN, Heavy Hex, Grade 50.8770.50.5851/2 x 13Hex, HeavyGrade 5No PlatingInch0.5Course0.500 C | 1/2 x 13
51001-0375-160-2-23/8 x 16 SLN, Heavy Hex, Grade 8, Zinc Yellow Plating, ATD Lock Ring0.6880.3750.4063/8 x 16Hex, HeavyGrade 8Zinc Yellow (ZDC)Inch0.375Course0.375 C | 3/8 x 16
41001-0375-160-2-53/8 x 16 SLN, Heavy Hex, Grade 8, ATD Lock Ring0.6880.3750.4063/8 x 16Hex, HeavyGrade 8No PlatingInch0.375Course0.375 C | 3/8 x 16
31001-0375-160-2-03/8 x 16 SLN, Heavy Hex, Grade 80.6880.3750.4063/8 x 16Hex, HeavyGrade 8No PlatingInch0.375Course0.375 C | 3/8 x 16
21001-0375-160-1-23/8 x 16 SLN, Heavy Hex, Grade 5, Zinc Yellow Plating, ATD Lock Ring0.6880.3750.4063/8 x 16Hex, HeavyGrade 5Zinc Yellow (ZDC)Inch0.375Course0.375 C | 3/8 x 16
11001-0375-160-1-03/8 x 16 SLN, Heavy Hex, Grade 50.6880.3750.4063/8 x 16Hex, HeavyGrade 5No PlatingInch0.375Course0.375 C | 3/8 x 16
4241603-0045-300-3-2M45 x 3 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring703642.2M45 x 3.0HexClass 8Zinc Yellow (ZDC)Metric45FineM45 F | M45 x 3.0
4251603-0045-300-4-5M45 x 3 SLN, Hex, Class 10, ATD Lock Ring703642.2M45 x 3.0HexClass 10No PlatingMetric45FineM45 F | M45 x 3.0
4261603-0045-300-4-2M45 x 3 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring703642.2M45 x 3.0HexClass 10Zinc Yellow (ZDC)Metric45FineM45 F | M45 x 3.0
4271603-0048-300-3-5M48 x 3 SLN, Hex, Class 8, ATD Lock Ring753845.1M48 x 3.0HexClass 8No PlatingMetric48FineM48 F | M48 x 3.0
4271603-0048-300-3-2M48 x 3 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring753845.1M48 x 3.0HexClass 8Zinc Yellow (ZDC)Metric48FineM48 F | M48 x 3.0
4281603-0048-300-4-5M48 x 3 SLN, Hex, Class 10, ATD Lock Ring753845.1M48 x 3.0HexClass 10No PlatingMetric48FineM48 F | M48 x 3.0
4281603-0048-300-4-2M48 x 3 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring753845.1M48 x 3.0HexClass 10Zinc Yellow (ZDC)Metric48FineM48 F | M48 x 3.0
4291603-0052-300-3-5M52 x 3 SLN, Hex, Class 8, ATD Lock Ring804249.1M52 x 3.0HexClass 8No PlatingMetric52FineM52 F | M52 x 3.0
4291603-0052-300-3-2M52 x 3 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring804249.1M52 x 3.0HexClass 8Zinc Yellow (ZDC)Metric52FineM52 F | M52 x 3.0
4301603-0052-300-4-5M52 x 3 SLN, Hex, Class 10, ATD Lock Ring804249.1M52 x 3.0HexClass 10No PlatingMetric52FineM52 F | M52 x 3.0
4301603-0052-300-4-2M52 x 3 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring804249.1M52 x 3.0HexClass 10Zinc Yellow (ZDC)Metric52FineM52 F | M52 x 3.0
4311603-0056-400-3-5M56 x 4 SLN, Hex, Class 8, ATD Lock Ring854552.6M56 x 4.0HexClass 8No PlatingMetric56FineM56 F | M56 x 4.0
4321603-0056-400-3-2M56 x 4 SLN, Hex, Class 8, Zinc Yellow Plating, ATD Lock Ring854552.6M56 x 4.0HexClass 8Zinc Yellow (ZDC)Metric56FineM56 F | M56 x 4.0
4331603-0056-400-4-5M56 x 4 SLN, Hex, Class 10, ATD Lock Ring854552.6M56 x 4.0HexClass 10No PlatingMetric56FineM56 F | M56 x 4.0
4341603-0056-400-4-2M56 x 4 SLN, Hex, Class 10, Zinc Yellow Plating, ATD Lock Ring854552.6M56 x 4.0HexClass 10Zinc Yellow (ZDC)Metric56FineM56 F | M56 x 4.0

The Original Security Locknut

Proven performance on the world’s most demanding applications.

Available in a wide variety of sizes and styles

(Inch series, Metric series, Hex, Square, thin, plated)

Custom Shapes & Sizes

We do that!

Non-locking Nuts

We make these too!

Available in all the same sizes and styles as our Security Locknut products

Spherical Washers

For use when bolting to surfaces that are unpredictable and non-parallel.

These washer sets will provide an even clamp surface to eliminate bending stress and help retain bolt tension.

Available in common sizes – call for details

Flat Washers

Used to protect the joint surface from damage during tightening and distribute the load under the bolt and nut head.

Available in common sizes – call for details

The Mill Hero

  • Fully integrated one-piece design features a Security Locknut, Washer, and Rubber Seal. Easy to handle, fast to install, and reusable.
  • Primarily designed for use on grinding mills in mining operations. This reusable product holds the mill liners secure and seals the through-hole to prevent leaking.

Bolts & Kits with Combined Parts

Working with our partner suppliers to provide bolts and externally threaded fasteners to our customers. Kit packed per your handing requirements.

Call for details.

Why Do More Engineers Choose Security Locknut?

Simple & effective all-steel construction

Requires no special tools for installation

Vibration-resistant “won’t back off”

Reusable and infinitely adjustable

Does not damage or deform the bolt thread

Proven for decades in the most demanding applications

Holds in any position on the bolt

Performs at extreme temperatures

Performs in extreme environments

Fast – Popular sizes in stock and ready to ship

Customized locknuts for your unique equipment

More Details On

Spherical Washers

2 piece spherical washers used under a 1-3/8 bolt head or nut surface compensate for clamp surfaces up to 3 degrees off parallel