Bolt, Nut, Customized Fastener manufacturer / supplier in China, offering Diameter 1/2 in 13 Unc Length 75 mm Material as ASTM A320 Grade L7 Fft Continuous Thread Stud Bolt for Oil and Gas Company, M9*2000mm Molykoted321r PTFE Xylan1424 ASTM A193 Grb7 L7 Carbon Steel Customized 2 Meters Long Thread Rod A193b7 Stud Bolt for Oil&Gas Industry, Stainless Steel Hex Nut Manufacturer Astmb18.2.2 ISO898 2-5/8 1-7/8 3-3/8 1-1/4 ASTM A194 8lna Hex Nut for Oil&Gas Industry and so on.