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Socket Head Cap Screws


Socket Products is a general term used to describe fasteners that have an internal recess drive. The most common type of internal drive recess is the hex socket (commonly called an Allen Screw).

Socket Screws are of a higher tensile strength than standard bolts and are manufactured to more exacting standards making them ideal for many different applications such as machine tools, tools and dies, earth moving and mining machinery, and a wide range of industrial and engineering applications.

Butler Fasteners in Nottingham stock a complete range of Unbrako and imported Socket Head Cap Screws (Cap Heads). We stock Socket Head Cap Screws in the following materials, finishes and thread forms:

  • Metric / BA / BSW / BSF / UNC / UNF
  • 1936 Series & 1960 Series
  • Metric Fine Socket Head Cap Screws
  • High Tensile Steel Socket Cap Screws
  • Stainless Steel Socket Cap Screws
  • Finish – Self Colour / BZP


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