1. High Quality Materials： These ROARADE Flange nuts are made of 304 or 316 stainless steel. It has excellent corrosion resistance. 2. Safe and Reliable: The serrations on Serrated Flange Nuts displace material on the mating surface when the nut is wrenched into place, forming a connection which resists loosening. 3.Complete Models: We provide you with the most relatively complete type, specification, and model in the market. 4. Flange nuts are widely used in automobiles and electronic products. 5.Multiple Classifications: The product includes forward and reverse nuts, as well as small pitch nuts, flange nuts with locking, as well as 304 stainless steel, 316 stainless steel, and 304 galvanized (black) stainless steel. Please choose carefully when purchasing. The product includes forward and reverse nuts, as well as small pitch nuts, flange nuts with locking, as well as 304 stainless steel, 316 stainless steel, and 304 galvanized (black) stainless steel. Please choose carefully when purchasing.