12-24X7/16X532 Standard Pattern Hex Machine Screw Nut 18 8 Stainless Steel (Pack Qty 2,500) BC-12NH188

For use with externally threaded nylon fasteners. Nylon's advantages include: resistance to greases and oils; a low coefficient of friction; ability to maintain its strength when exposed to heat. Nylon 6/6 Rockwell M80