... nut 1.Nut:DIN985,DIN982,UNI7474 2.Nut material:Mild steel,Stainless steel 3.Nut finshl:zinc,black Nylon insert lock nut•Nylon nut ... DIN982,UNI7474 Products Details: Products Name: Nylon insert lock nut Model No.: DIN985,DIN982,UNI7474 Size: M4-M36 ... temperature. • Applications:main service in the petrochemical industry, food machinery, construction decoration, solar energy industry, water treatment ...