Lewis bolt & Nut Company

New! Patented Quick-Set Hook Bolt System!

Domestic Manufacturer of Rail Fasteners Since 1927

Call 800-328-3480 for Additional Information! Click HERE to request information.


Our in-house fastener lab is accredited to ISO 17025 by A2LA cert 1103.01 (

View our A2LA Certification

View our A2LA Scope

Our accredited capabilities include:

  • Tensile testing up to 300,000 lbs, including full size testing of 1-3/8” bolts
  • Reduced tensile
  • Proof Load
  • Wedge/Axial Tensile
  • Rockwell Hardness Testing (Rockwell C and N scales)

Non-Accredited Capabilities include:

  • Pullout testing of spikes and screws.
  • Metallographic preparation and microscopic examination
  • Decarburization depth measurement

All heat treated parts are tested in our lab before being released for shipment. Every part is traceable by lot number to the steel heat number and lab test report.

Contact Lewis Bolt and Nut Co

(800) 328-3480

Outside of U.S.
(952) 449-9630

(800) 348-8098

News, Updated February 2017

Lewis Bolt is now producing additional sizes of the popular LT-1 Drive On Rail Anchor. 
Call or email for specific rail sections that are now available, and additional sizes currently in design.
All Lewis anchors are produced at our factory in La Junta Colorado using only USA steel. 
At Lewis we strive to be your one stop shop for all your rail fastener requirements!

Community Update

This summer, Lewis Bolt and Nut Company proudly sponsored the Early Settlers Day Second Annual Skateboard Competition in La Junta, Colorado. Lewis Bolt sends a thank you to all the talented participants! Lewis Bolt is also proud to be the 2016 winner of the Tug of War competition held in the Arkansas River, all proceeds benefit the Arkansas Valley Resource Center. Click here to read more.