1/4 5/16 3/8 7/16 1/2" UNF SET SCREWS NUTS & WASHERS HEX HEAD BOLTS ZINC PLATED

Hex Bolts - UNF. UNF Zinc Plated Part Threaded Bolts. Spanner size 7/16". Head height 0.163". 5/16UNF x 24tpi. Spanner size 1/2". Head height 0.211". 3/8UNF x 24tpi.

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