Test Nuts for Your Torque-Tension Testing Needs

Wilson-Garner stocks nuts for torque-tension and bearing surface testing of locknuts, coatings, and adhesive patches. All products are certified and completely traceable by lot. Certifications include material, property class, and surface treatment. We provide test nuts for a number of tests, including specifications from Ford, General Motors, John Deere, Chrysler, and ISO 16047. Click a button below for more information about a particular company spec.

Test Nuts for Torque-Tension Testing from Wilson-Garner Company
General Motors

Metric Nut Stock Sizes

Sizes Grade Finish
M6 thru M16 GM-510M(9) Plain
M6 thru M16 Class 10 Zinc

Customary Nut Stock Sizes

Sizes Grade Finish
1/4″ thru 3/4″ GM-286-M Coarse and Fine Thread Plain