IMPERIAL FEDERSCHEIBEN UNC UNF 3/16,1/4,5/16,3/8,7/16,1/2,5/8,3/4" ZINK ECKIG

To fit all imperial fasteners - UNC, UNF, BSW, BSF etc. Imperial spring washers. Square Spring Washers. Zinc Plated Spring Steel. Zinc plated spring steel. Coarse Pitch Bolts & Screws. Square section (made from square wire).

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