Socket Head Cap , 5/16-18 x 5", Stainless Steel 18-8, Hex Socket (Quantity: 25) Coarse Thread, 5/16 inch Hexagonal Allen Bolt, Length: 5 inch, Partial Thread$$Hardware

Thread: Coarse / Partial Thread / 18-8 / Recommended Hex Socket Allen Key Wrench: 1/4 For fastening metal parts together and a variety of metal-to-metal applications Supplies greater tensile strength than equivalent sizes of Grade 5 or Grade 8 hex head cap screws while requiring less surface area or counterbore since the fastener is internally wrenched.