Back Home / Fasteners / Bolts / CARRIAGE BOLT UNC ZINC 1/2″-13 X 1-1/2″ GR 8 CARRIAGE BOLT UNC ZINC 1/2″-13 X 1-1/2″ GR 8 SKU: X12X112CB8 Categories: Bolts, Fasteners Diameter: 1/2″-13 Length: 1-1/2″ Made from low or medium carbon steel. Round head bolt with a square neck under the head. The square neck is designed to keep the bolt from turning as the nut is tightened. Zinc plated. Tensile strength: 60,000 psi minimum. Case Quantity: 25 Log In For Pricing