... maker 5.certification: SGS,Rohs din 603 zinc plated grade 8 carriage bolt in hardwarematerial:steel ,stainless steel,brass,alloy steel ,fast ... time: within 7 days DescriptionGrade 2 Carriage BoltStandardDIN, ANSI, ASME, ASTM, IFI, JIS, ASMaterialLow carbon steel etc.SizeM5-M64,1/4 ... , DIN604, DIN608, ASME B18.5 etc. din 603 zinc plated grade 8 carriage bolt in hardware