Back Home / Fasteners / Bolts / HEX CAP SCREW BOLT UNC ZY 1/4″-20 X 1/2″, GR 8 HEX CAP SCREW BOLT UNC ZY 1/4″-20 X 1/2″, GR 8 SKU: 14X12C8 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: 1/4″-20. Length: 1/2″. Case Quantity: 100 Log In For Pricing