... : Steel,Stainless steel, Brass etc. 2. Size: M5-M64,1/4"-4" 3. Specification: Din, IFI, JIS... DescriptionBolt and NutStandardDIN, ANSI, ASME ... , Alloy steel, Stainless steel, brass etc.SizeM5-M64,1/4”-4”Length4mm-300mm, 1/8”-12”ThreadMetric, UNC, UNF, BSWFinishPlain, Galvanized, Blank, Nickel ...