4-40 UNC IMPERIAL SOCKET HEAD CAP SCREW SOCKET HEAD CAP SCREWS UNC S/COLOUR 1936-1960 Zinc Plated

Zinc Plated

only apply to metric Grade 12

M16 F9 SOCKET SHOULDER SCREWS 12

whilst assisting the completion of countersinking

4-40 UNC IMPERIAL SOCKET HEAD CAP SCREW SOCKET HEAD CAP SCREWS UNC S/COLOUR 1936-1960 Zinc PlatedIMPERIAL SOCKET HEAD CAP SCREW UNC SELF COLOUR 1936 1960 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