Thread Type: New VAM, VAM TOP, VAM ACE, Hunting Seal Lock, Hydril CS and PH6, Atlas Bradford and NKK, Fox Tubing Thread, KS Bear, Tenaris Blue, Tenaris 3SB, HT55, RTS-6, RTS-8, etc.
Steel Grade: J55，K55，N80，L80-1，L80-3Cr，L80-9Cr，L80-13Cr，P110，13Cr-110
Please contact us for discussing detail requirement of Premium thread coupling.
