1-8 x 5 3/8 Alloy Steel Socket Head Cap Screw serves repair and production work that calls for this exact thread and length. 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. This size ships against confirmed availability; contact us to reserve quantity. Pricing is quoted per 100 pieces; contact us for current pricing and availability on this size. Related sizes in this thread appear throughout the category; modified versions are available on request. 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: 1-8 Length: 5 3/8 in. Nominal Body Diameter: 1.000 in. Head Diameter: 1.479 in. Head Height: 0.988 in. Drive Type: Internal hex socket Finish: Plain (black)