1)nut and bolt 2>Grade: Q235,202,304,316L 3>Finish ... .35Crmo. Finish:Black or zinc plated or HDG Standard:DIN931/933/912/601 Grade:4.8/8.8/10.9 ... Bulk ,Cartons on Pallet BOLT: (M6-M64), include hex bolt(DIN931,DIN933, DIN601, DIN558, GA/T5780-GB/T5783, JISB1180, ANSI/ ... eye bolt (DIN444) and so on. NUT:(M12-45), include spring nut, hex nut(DIN934), cap nut(DIN1587), hex flange nuts(DIN6923), hex slotted ...