Products
Prevailing Torque Locknuts
Security Locknuts are available in a variety of standard sizes and configurations.
Call us at (847) 970-4050 or email us for part number, pricing, and availability of the Security Locknut select product for your application.
Inch Series
Metric Series
Available Sizes
All standard sizes 3/8″ to 3″ UNC (Class 2B)
Select sizes also available with UNF thread (call for information)
Select sizes also available with UNF thread (call for information)
All standard sizes from 10mm to 64mm with standard thread pitches (Class 6H)
Select sizes also available with fine thread pitches (call for information)
Select sizes also available with fine thread pitches (call for information)
Material Properties
SAE J995 / ASTM A563
Grade 5 and Grade 8 available
Grade 5 and Grade 8 available
ISO 898
Class 8 and Class 10 available
Class 8 and Class 10 available
Dimensional Properties
ANSI/ASME B.18.2.2.2
Select sizes available in either DIN 934, ISO 4032, or custom sizes
Finishes
- Plain Steel with a standard Black Oxide finish (Grade 8)
- Zinc Yellow plated Nut Body with ATD plated Lock Ring
- Full ATD Plated Nut Body and Lock Ring
- Custom Finishes Available Upon Request
- Plain Steel with a standard Black Oxide finish (Class 10)
- Zinc Yellow plated Nut Body with ATD plated Lock Ring
- Full ATD Plated Nut Body and Lock Ring
- Custom Finishes Available Upon Request
Configurations
Special Recessed Lock Ring Configuration
When a Recessed Lock Ring May Be Needed
Part Number Guide
Use the guide below to help determine Security Locknut part numbers based on product specs.
