U Bolt, Wood Auger Bit manufacturer / supplier in China, offering Inconel Studs, Inconel 625, Uns N06625, 2.4856 Studs Bolt, Inconel-718 2.4668 Uns N07718 Stud Bolt, 1.4462 Uns S31803 F51 Duplex 2205 DIN975 Threaded Stud Bolt and so on.