Color
|
Blue, red, black, as required
|
Size
|
3" ~26"
|
Grade
|
All grades
|
Material
|
Alloy steel, 4145H
|
Surface treating
|
As required
|
Application
|
Well drilling
|
Model
|
All models
|
Certificate
|
API
|
Working medium
|
Oil, gas, mud and water
|
Thread
|
NC, REG, IF, etc.
|