Thread-Cutting Screw Indented Hex Washer Head Type F 5/16"-18 Unc X 3/4" Lg (Hd 1/2" Af) Low Carbon Steel Case Hardened Zinc Plated Ansi B18.6.4-1966 B-1636
Thread-Cutting Screw Indented Hex Washer Head Type F 5/16"-18 Unc X 3/4" Lg (Hd 1/2" Af) Low Carbon Steel Case Hardened Zinc Plated Ansi B18.6.4-1966 B-1636