Locking Nuts

Half Lock Nuts, Thread Size 10-32, These precision-made nuts are reliable and economical fastening devices. The fiber insert gives a friction grip on the threads of the bolt and holds securely. The AN364 (thin) stop nut is for use in structural...

Hi-Heat, All Metal Stop Nuts Thread Size 8-32, (50) per pack. The AN363 all-metal stop nuts are designed for use in high temp installations (up to 450F). Fabricated from carbon steel & cadmium plated per specification QQ-P-416C. (50 per pack)  

Hi-Heat, All Metal Stop Nuts Thread Size 7/16-20. The AN363 all-metal stop nuts are designed for use in high temp installations (up to 450??F). Fabricated from carbon steel & cadmium plated per specification QQ-P-416C. (50 per pack)

Hi-Heat, All Metal Stop Nuts Thread Size 6-32. The AN363 all-metal stop nuts are designed for use in high temp installations (up to 450??F). Fabricated from carbon steel & cadmium plated per specification QQ-P-416C. (50 per pack)

  Hi-Heat, All Metal Stop Nuts Thread Size 3/8-24. The AN363 all-metal stop nuts are designed for use in high temp installations (up to 450°F). Fabricated from carbon steel & cadmium plated per specification QQ-P-416C. (50 per pack)

Hi-Heat, All Metal Stop Nuts Thread Size 5/16-24. The AN363 all-metal stop nuts are designed for use in high temp installations (up to 450??F). Fabricated from carbon steel & cadmium plated per specification QQ-P-416C. (50 per pack)

Hi-Heat, All Metal Stop Nuts Thread Size 10-32. The AN363 all-metal stop nuts are designed for use in high temp installations (up to 450??F). Fabricated from carbon steel & cadmium plated per specification QQ-P-416C. (50 per pack)

Lock Nut - Thread Size 5/16-24 (50 per pack) - AN356-524 These nuts are also known as retaining nuts. They are stamped from 1050 spring steel and cadmium plated per QQ-P-416A, Type II, Class 3.  (50 per pack) 

 Lock Nut - Thread Size 1/4-28 (50 per pack) - AN356-428  These nuts are also known as retaining nuts. They are stamped from 1050 spring steel and cadmium plated per QQ-P-416A, Type II, Class 3.  (50 per...