1)Commodity:steel bolts and nuts 2)Grade:4.8,6.8,8.8,10.9,12.9 grade 3) ... Material: Q235,45#,35K,40Cr,35CrMo,A32) Usage: fasten for machines,parts, railway,buildings,bridges etc.3) Payment terms: TT or ... LC4) Delivery date: Within 30 days after receiving the LC or TT prepay5) Packing: Export ... can be produced according to your print. galvanized steel bolts,nuts and washers