Security Locknut Inc

407 East Hawley Street
Mundelein, IL 60060

About Security Locknut Inc

Makers of the world’s strongest locknuts and locking fastener systems. The only locking fasteners designed to achieve maximum lock in any position, regardless of clamping torque achieved and NEVER come loose when properly installed. Knowledgable in the design, function, and securing of bolted joints. Made in the U.S.A., make the decision to use products from Security Locknut Inc. and eliminate all your fastener problems…permanently!

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