Back Home / Fasteners / Bolts / FRAME BOLT FLANGE HD, NON-SERRATED, UNC BLACK 5/8″-11 X 2-1/2″, GR 8 FRAME BOLT FLANGE HD, NON-SERRATED, UNC BLACK 5/8″-11 X 2-1/2″, GR 8 SKU: X58X212CFL8 Categories: Bolts, Fasteners Made from high alloy steel. One piece hex washer head bolt with a flat bearing surface. For use on truck frames. Flange eliminates washers and helps compensate for a misaligned hole. Plain black finish. Tensile strength: 150,000 psi minimum. Unified screw threads: UNC. Diameter: 5/8″-11. Length: 2-1/2″. Case Quantity: 25 Log In For Pricing