U Bolt, Wood Auger Bit manufacturer / supplier in China, offering SS316 G 1/2" A4 DIN908 Hexagon Socket Screw Plugs, DIN976 2.4602 Threaded Rod with Full Thread by Hastelloy C22 Stud Bolt, Duplex 2507 1.4410 Uns S32750 ISO4032 Hex Nut and so on.