2-56 x 1 3/8 Alloy Steel Socket Head Cap Screw provides an extended-length option within a fully supported thread series. The cylindrical head and internal drive suit recessed installations where clearance around the head is tight. The alloy steel base provides socket-cap-class strength for demanding mechanical assemblies. Sizes this long are confirmed and priced per order rather than listed at a flat rate. Pricing is quoted per 100 pieces; contact us for current pricing and availability on this size. Related lengths of the same thread are listed alongside this size, and special versions can be quoted. Distributors and OEM purchasing teams can reference this exact size for repeat orders. Orders are packaged and labeled for industrial stockroom use. The size is listed exactly as dimensioned so search and drawing callouts match one to one. Orders are packaged and labeled for industrial stockroom use. The size is listed exactly as dimensioned so search and drawing callouts match one to one. Distributors and OEM purchasing teams can reference this exact size for repeat orders. Technical Highlights Material: Alloy Steel Thread: 2-56 Length: 1 3/8 in. Nominal Body Diameter: .086 in. Head Diameter: 0.134 Head Height: 0.083 Drive Type: Internal hex socket Finish: Plain (black)