Competitive price, good quality, best service, Relia is your correct choice! STANDARD: ASME, DINTYPE: HEX NUTSGRADE: 2(4.8), 5(10.9), 8(12.9)MATERIAL: CARBON STEEL, STAINLESS STEEL, BRASS, ALUMINIUMSURFACE: PLAIN, BLACK, ZINC PLATED Hex Nut DIN934 ASME B18.2.2