4-40 UNC IMPERIAL SOCKET HEAD CAP SCREW SOCKET HEAD CAP SCREWS UNC S/COLOUR 1936-1960 Stress Area(mm2 )

Stress Area(mm2 )

1MPa=145 p

40 SOCKET HEAD CAP SCREW 12

METRIC M27

impact strength and fatigue life must be considered for screws subject to temperatures below -20⁰F (-29⁰C)

4-40 UNC IMPERIAL SOCKET HEAD CAP SCREW SOCKET HEAD CAP SCREWS UNC S/COLOUR 1936-1960 Stress Area(mm2 )IMPERIAL 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