(1,120) Piece Grade 8 Hex Head Bolt / Washer / Nut Assortment Refill Kit #1R

Grade 8 Hex Head Cap Screw Bolt. Grade 8 Finished Hex Nuts. Refill kits consists of only fasteners which are. United Coarse Thread, SAE J995. 5/16" - 18 X 3/4".(20) Pieces. 5/16" - 18 X 1".