Thread-Cutting Screw Indented Hex Washer Head Type 1 1/4"-20 Unc X 1-1/4" (Head 3/8"Af) Low Carbon Steel Case Hard Zinc Chromate Plated Ansi B18.6.4-1966 491-P29-1X
Thread-Cutting Screw Indented Hex Washer Head Type 1 1/4"-20 Unc X 1-1/4" (Head 3/8"Af) Low Carbon Steel Case Hard Zinc Chromate Plated Ansi B18.6.4-1966 491-P29-1X