1/4 5/16 3/8 7/16 1/2" UNF HEXAGON BOLTS NYLOC WASHERS PART THREADED ZINC PLATED

Nyloc Nuts. Hex Bolts - UNF. UNF Bolts & Set Screws. Spanner size 7/16". Head height 0.163". 5/16UNF x 24tpi. Spanner size 1/2". Head height 0.211".

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