5/8-11 High Security Trigroove Coarse Nut Alloy Steel

1/2-13 High Security Trigroove Coarse Nut Alloy Steel

3/8-16 High Security Trigroove Coarse Nut Alloy Steel

5/16-18 High Security Trigroove Coarse Nut Alloy Steel

1/4-20 High Security Trigroove Coarse Nut Alloy Steel

10-32 High Security Trigroove Fine Nut Alloy Steel

10-24 High Security Trigroove Coarse Nut Alloy Steel

M10-1.5 High Security Metric Trigroove Coarse Nut Alloy Steel

M8-1.25 High Security Metric Trigroove Coarse Nut Alloy Steel

M6-1.00 High Security Metric Trigroove Coarse Nut Alloy Steel

M20-2.50 High Security Custom Key Metric Penta-Plus Coarse Nut Stainless Steel

M18-2.50 High Security Custom Key Metric Penta-Plus Coarse Nut Stainless Steel