bolts and nuts 1.Good quality,competitve price. 2.Many types. boltBolts and Nuts 1. Material: Steel,Stainless steel, ... Brass etc. 2. Size: M5-M64,1/4"-4" 3. Specification: Din ... , IFI, JIS... DescriptionBolt and NutStandardDIN, ANSI, ASME, ASTM, IFI, ... DIN571, ASME B 18.2.1,ASTM A394,DIN 6914, ASTM A325, ASTM A490, ISO4017, ...