Back Home / Fasteners / Bolts / HEX CAP SCREW BOLT 1/2-13″ X 12″ GR 8 ZY HEX CAP SCREW BOLT 1/2-13″ X 12″ GR 8 ZY SKU: 12X112C8 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: 1/2″-13. Length: 1-1/2″. Case Quantity: 50 Log In For Pricing