1/4 5/16 3/8 7/16 1/2" UNC HEXAGON BOLTS PART THREADED 8.8 ZINC PLATED IMPERIAL

1/4"UNC x 20tpi. 5/16"UNC x 18tpi. 3/8"UNC x 16tpi. 7/16"UNC x 14tpi. 1/2"UNC x 13tpi. Hex Bolts - UNC. Imperial Threaded Bar. UNC Bolts & Set Screws.

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