Back Home / Fasteners / Bolts / HEX CAP SCREW BOLT UNF ZINC 1/2″-20 X 5-1/2″, GR 8 HEX CAP SCREW BOLT UNF ZINC 1/2″-20 X 5-1/2″, GR 8 SKU: 12X512F8 Categories: Bolts, Fasteners Made from medium carbon alloy steel. Heat treated. Tensile strength: 150,000 psi. minimum. Yellow zinc plated. Unified screw threads :UNF. Diameter: 1/2″-20. Length: 5-1/2″. Made from medium carbon alloy steel. Heat treated. Tensile strength: 150,000 psi. minimum. Yellow zinc plated. Unified screw threads :UNF. Diameter: 1/ Case Quantity: 25 Log In For Pricing