... 4"-4" 3. Specification: Din, IFI, JIS... DescriptionBolt and NutStandardDIN, ANSI, ASME, ASTM, IFI, JIS, ASMaterialLow carbon steel, Alloy steel, Stainless ... .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 ... 18.2.1 etc.UsesA bolt is a cylindrical threaded fastener that passes through the work piece and ...