ASME B18.31.1M Threaded Stud Bolt, ASTM A453 660 CL.B, M42

We are a trusted ASME B18.31.1M stud bolt manufacturer offering fully continuous threaded stud bolts made from ASTM A453 GR.660 CL.B material. Our M42-8g x 360 mm studs effectively prevent brittle cracking, maintaining stable mechanical properties under high-temperature working conditions. Suitable for pressure vessel and flange joint applications, these industrial fasteners come with complete material test documentation. We support custom bolting specifications to satisfy various global engineering and pipeline project requirements.