Back Home / Fasteners / Bolts / HEX CAP SCREW UNC STAINLESS 5/16″-18 X 2-1/2″ HEX CAP SCREW UNC STAINLESS 5/16″-18 X 2-1/2″ SKU: 56212CSS Categories: Bolts, Fasteners Grade 18-8 stainless steel hex cap screws. Used in products that require general atmospheric corrosion resistance such as chemical and food processing equipment and marine applications. Tensile strength: 100,000 psi. minimum. Unified screw threads :UNC. Diameter: 5/16″-18. Length: 2-1/2″. Case Quantity: 100 Log In For Pricing