5/16″-18 x 1-1/4″ Polished 18-8 Stainless Hex Cap Screws (6 pcs.)
Diameter: 5/16″ Length: 1-1/4″ Material: Stainless Steel Finish: Polished Head Style: Hex (1/2″ Wrench) Thread Size: 18 (Coarse) Thread Length: Full Hardness: 18-8 Type: Cap Screw Box of 6. A hex cap screw has a hexagonal head, designed to be driven by a wrench.