Back Home / Fasteners / Bolts / HEX CAP SCREW BOLT UNF ZINC 1/4″-28 X 4″, GR 8 HEX CAP SCREW BOLT UNF ZINC 1/4″-28 X 4″, GR 8 SKU: 14X4F8 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: 1/4″-28. Length: 4″. 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: 100 Log In For Pricing