Thread-Cutting Screw Indented Hex Washer Hd Type 23 1/4"-20 Unc X 1/2" L (Head 3/8" Af) Low Carbon Steel Case Hard Zinc Chrom Ansi B18.6.4-1966 ST-647H
Thread-Cutting Screw Indented Hex Washer Hd Type 23 1/4"-20 Unc X 1/2" L (Head 3/8" Af) Low Carbon Steel Case Hard Zinc Chrom Ansi B18.6.4-1966 ST-647H