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
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