Bolt, Nut, Customized Fastener manufacturer / supplier in China, offering Acme Threaded Rod Tr8-Tr40 for Lead Screw and Power Transmission Application Trapezoidal Stud, Factory Sale ASME B18.31.2 DIN975 DIN976 Alloy Steel Studs Incoloy 800 Uns N08800 Stud Bolt Threaded Rod, ASME B18.31.2 DIN975 DIN976 Alloy Steel Studs Incoloy 800 Uns N08800 Stud Bolt Threaded Rod and so on.