1)nut and bolt 2>Grade: Q235,202,304,316L ... 2.1,B.S.W916) ,high strength bolts stud bolt, U bolt , T bolt, carriage bolt(DIN603), threaded rod(DIN975 ... eye bolt (DIN444) and so on. NUT:(M12-45), include spring nut, hex nut(DIN934), cap nut(DIN1587), hex flange nuts(DIN6923), hex ... slotted nuts(DIN935) and so on. Hot sale!!! Nut ...