IMPERIAL UNC 1936-1960 SOCKET HEAD CAP SCREW SELF COLOUR

SOCKET HEAD CAP SCREWS UNC S/COLOUR 1936-1960
Socket Head Cap Screws are also known as SHCS, Allen screw or Allen bolt, or simply a cap screw. 1936-1960 UNC conforming to ASME / ANSI B18.3 1986,  BS 2470 : 1973, the contact surfaces of this screw or bolt are protected from external damage.Class Fit 3A Hardness RC38/43. 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.
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