Size: from 1/4 to 4-inch (M8 to 48) Grade:5.8.6.8 8.8 Surface:Plain Black Oxide Standard: ANSI/ASMEMaterial: A194 2H/2HM; A194 4/4M; A194 7/7M; A194 8/8MSurface: black, galvanized, nickel plated, cadmium and Teflon plated

Standard steel nuts for automotive