1/2-13 High Security Trigroove Bit Steel

1/4-20 High Security Trigroove Bit Steel

10-24 High Security Trigroove Bit Steel

10-32 High Security Trigroove Bit Steel

3/8-16 High Security Trigroove Bit Steel

5/16-18 High Security Trigroove Bit Steel

5/8-11 High Security Trigroove Bit Steel

M10 High Security Trigroove Bit Steel

M6 High Security Trigroove Bit Steel

M8 High Security Trigroove Bit Steel