5/16-18X9/16X7 Standard Pattern Hex Machine Screw Nut 18 8 Stainless Steel (Pack Qty 1,500) BC-31NH188

Hex Machine Screw Nut: Designed to be used specifically with machine screws. Stainless nuts are used with stainless machine screws where parts are subject to corrosive conditions. Square Machine Screw Nut: Offers a greater bearing surface for wrenching Steel: Any low carbon steel. Stainless: 18-8 stainless steelYou may also like 10-32X1/2 6 Lobe Pan Machine Screw Fully Threaded 18-8 Stainless Steel (Pack Qty 3,000) BC-1108MTP188.