carriage bolt 1.material: stainless steel,brass ... ,Rohs din 603 zinc plated grade 8 carriage bolt in hardwarematerial:steel ,stainless steel,brass,alloy steel ... within 7 days DescriptionGrade 2 Carriage BoltStandardDIN, ANSI, ASME, ASTM, IFI, JIS, ASMaterialLow carbon steel etc. ... Depend On QuantityQuality AssuranceISO 9001SpecificationDIN603, DIN604, DIN608, ASME B18.5 etc. din 603 zinc plated grade 8 ...