... Nuts / Car Wheel Nut Grade:8 / 10 Diameter:M4 -- M20, 1/4" -- 1 1/2" Material:Carbon steel, Stainless steel, Alloy Steel, Brass, AluminumSurface ... according to DIN, ANSI, AS, BS, JIS, GB, ISO and other standard&non-standard specifications base on our customers’ special ... thread. Since established in 2001, we have developed good and long-term relationships with customers as well as mature supply ...