Nothing Performs Better

world's most effective locknut

Minimize maintenance costs, reduce downtime, and improve equipment and machinery reliability by utilizing Security Locknuts. Our patented vibration-resistant products provide peace of mind because they “won’t back off” and are proven to perform in the most demanding applications. Engineered with a durable spring steel alloy, Security Locknuts do not damage or deform the bolt thread. Security Locknuts require no special tooling, can be quickly and easily installed, and can be reused, saving you time and material costs. We offer fast turnaround of popular sizes and can customize locknuts for your unique equipment. Let us help you find a fastening solution for your application.


  • JAN 2015 - Security Locknut to exhibit at the SME/CMA Annual Conference & Expo in February

    Visit us February 15-18 in Denver, CO to learn about the BEST Locknut Performance on the market. ...

  • Dec 2014 - Security Locknut displays at Fastenal’s Employee Industrial & Construction Expo

    Security Locknut LLC makes its first appearance at the Fastenal’s Employee Industrial & Construction Expo in Orlando Florida. ...

  • Security Locknut Introduces New Brand

    Security Locknut rolls out its new image, better reflecting what they stand for...

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Customers Using Our Products

  • Union Pacific
  • BNSF Railway
  • Action Vibratory Equipment
  • Carrier
  • Caterpillar
  • Bay Area Transit Authority
  • Joy Global
  • Amtrak