1)Type: T including Full Size coupling and Slim Hole coupling
2)Material: Carbon steel AISI 5I40(40Cr) or AISI 4135(35CrMo)
3)Basic Hardness: HRC 16-23
4)Standard: API Spec 11B
5)coupling diameter: 5/8 ",3/4",7/8",1",1-1/8"
6)Weight: 0.41-1.10 KG/Pcs
7)Package: wooden cases
8)Port: Tingdao/Yantai/Tianjin
9)Payment Terms: T/T , L/C |