U Bolt, Wood Auger Bit manufacturer / supplier in China, offering 1.4462 Uns S31803 F51 Duplex 2205 DIN975 Threaded Stud Bolt, Super duplex S32750 1.4410 DIN1587 Hexagon domed cap nut M12, Hastelloy C4 2.4610 N06455 Ifi 131 Threaded Bar and so on.