China API ASTM A193 B7 B7m L7 L7m Double End Stud Bolt, Find details about China ASTM A193 B7 B7m L7 L7m, API Stud from API ASTM A193 B7 B7m L7 L7m Double End Stud Bolt
Material: | Carbon steel or alloy steel |
Size: | 1/2" ~ 2 1/2"(M12~M56) |
Standard | ASTM A 193 B7/B8/API A193B7M.ect |
Finish | Black oxide, HDG, Cold galvanized color zinc, dacromet,ect. |
Thread | Metric or inch |
Certificate | ISO 9001, ISO14001,OHAS,SGS, FPC BC1,API |