UNF NUTS ZINC PLATED BZP GRADE 1 HEXAGON NUT 1/4 5/16 3/8 7/16 1/2 5/8 3/4 INCH

UNF Hexagon Nuts. UNF thread pattern. Bright Zinc Plated. Nut Thickness: 0.226". Nut Thickness: 0.273". Hexagon full nuts. Hexagon Head Fully Threaded. Hexagon Hex Head.

eBay