U Bolt, Wood Auger Bit manufacturer / supplier in China, offering Super duplex S32750 1.4410 DIN1587 Hexagon domed cap nut M12, Hastelloy C4 N06455 2.4610 DIN976 Threaded Rod, Hastelloy C4 2.4610 DIN975 N06455 Stud Bolts and so on.