6-32 UNC IMPERIAL SOCKET HEAD CAP SCREW 1936 DIN 7991 SOCKET COUNTERSUNK HEAD SCREWS 10.9 DIN 7991 SELF COLOUR Shoulder tolerances in microns -16/

Shoulder tolerances in microns -16/ -59

The self colour screw surface finish for self colour is “Black Oxide” after heat treatment

SOCKET HEAD CAP SCREWS UNF S/COLOUR 1936-1960

Shoulder tolerances in microns -13 / -49

6-32 UNC IMPERIAL SOCKET HEAD CAP SCREW 1936 DIN 7991 SOCKET COUNTERSUNK HEAD SCREWS 10.9 DIN 7991 SELF COLOUR Shoulder tolerances in microns -16/IMPERIAL SOCKET HEAD CAP SCREW UNC SELF COLOUR 1936 Socket Head Cap Screws are also known as SHCS, Allen screw or Allen bolt, or simply a cap screw. The contact surfaces of this screw or bolt are protected from external damage. Generally manufactured with a partial thread beyond a certain length and nominal diameter combination, but occasionally some stock may include a fully threaded shank at the same combination. Specification: Conforming to ASME