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.
- Conforming to ASME / ANSI B18.3 1986, BS 2470
- Inch thread: Class 3A Fit over 11 /8 2AFIT
- Hardness RC38/43
- The self colour screw surface finish for self colour is “Black Oxide” after heat treatment
If you cannot find the required size, please get in touch as not all products are available online.