Services
Prevailing Torque Locknuts & Bolted Joint Fasteners
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 and pulverizing, and more to identify issues and offer products and ideas specific to their needs.
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
Do you have an application that is unique? Contact us to customize the ideal Security Locknut for your specific needs.
Non-Locking Nuts
We make these too! Available in all the same sizes and styles as our Security Locknut products.
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.
Bolts & Kits
Working with our partner suppliers to provide bolts and externally threaded fasteners to our customers. Kit packed per your handing. 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.
Spherical Washers
For use when bolting to surfaces that are unpredictable and non-parallel. Available in common sizes – call for details.
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.
Drawing: 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.
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