Bolt, Nut, Thread Rod manufacturer / supplier in China, offering Stainless Steel 316 Hex Nylon Lock Nut with Blue Washer DIN985, ASME 3/8 5/16 Zinc Plated Nylon Insert Flange Lock Nut Hexagon Flanged Nuts, SS304 SS316 Stainless Steel Thick Nylon Hex Lock Nut Bolts DIN982 and so on.