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icon_widget_image 999 Forest Edge Drive Vernon Hills, IL 60061 icon_widget_image (847) 970-4050 icon_widget_image sales@securitylocknut.com

Who Uses
Security Locknut?

  • Rail Track Works
  • Rail Cars
  • Mining Equipment
  • Grinder Mills
  • Material Handling
  • Crushing & Pulverizing
  • Oil and Gas
  • Construction Equipment
  • Agriculture Equipment
  • Transportation Products
  • Manufacturing Equipment


Security Locknut has been a trusted railroad supplier for more than 50 years.

Using Security Locknuts will increase the interval of time between inspections and reduce your maintenance costs. With no special tooling required, your maintenance team will be able to quickly and easily remove and reinstall the nut, saving both time and material cost.

  • Trackwork
  • Turnouts
  • Railcars
  • Locomotives
  • Signals
  • And more


With a unique, patented design and all-steel locking insert technology, Security Locknuts provide long-lasting operations for mission-critical mining components.

Security Locknuts come in a wide range of sizes, thread pitches, classes, grades, body styles, and coatings, to improve the reliability of your hard-to-reach equipment and avoid costly downtime.

Material Handling

Hoppers, conveyors, heavy-duty machinery, whatever the equipment, Security Locknuts out-perform all other fastening solutions.

Equipped with all-steel locking insert technology, Security Locknuts hold bolted joints tight even in the most demanding, high-vibration applications. Security Locknuts are engineered with a durable spring steel alloy which does not damage or deform the bolt thread, making them ideal for repeated use.

Improve equipment reliability, increase safety, and reduce maintenance intervals by employing Security Locknuts wide range of products.

Crushing & Pulverizing

Security Locknuts enable your maintenance team to quickly replace wearable components. No special tooling is required, making them easy to install and reuse.

Security Locknuts lock onto any position on the bolt, which is an ideal solution for rotating joints.

Security Locknut out-performs all other fastening alternatives and can stand up to the wear and tear of rugged crushing and pulverizing applications.

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