Back Home / Fasteners / Bolts / HEX CAP SCREW BOLT UNC ZINC 9/16″-12 X 4″, GR 8 HEX CAP SCREW BOLT UNC ZINC 9/16″-12 X 4″, GR 8 SKU: 96X4C8 Categories: Bolts, Fasteners Made from medium carbon alloy steel. Heat treated. Tensile strength: 150,000 psi. minimum. Yellow zinc plated. Unified screw threads :UNC. Diameter: 9/16″-12. Length: 4″. Case Quantity: 25 Log In For Pricing