UNF Half Nut (Lock Nut) BZP 1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 3/4"

UNF Half Hex Nuts (Lock Nut) Bright Zinc Plated. 1/4" - 28 tpi. 3/4" - 16 tpi. 9/16" - 18 tpi. 5/8" - 18 tpi.

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