... Good quality,competitve price. 2.Many types. boltBolts and Nuts 1. Material: Steel,Stainless steel, Brass etc. 2. Size: M5-M64, ... , DIN6914, ASME B 18.2.1, IFI-14, DIN580, ASME B18.15, DIN939, IFI-148,DIN444, DIN261, DIN186, ASME B18.5,DIN7991, ASME/ANSI B18.3, ... DIN604, DIN6914, ASTM A325, ASTM A 490, DIN571, ASME B 18.2.1,ASTM A394,DIN 6914, ASTM A325, ASTM A490, ISO4017, ASME B 18.2 ...