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Steel drill rods, spiral drill rods
Petroleum geophysical drill pipe
Keywords:
- Product Description
-
Main Technical Parameters
Serial number
Standard
Outer diameter of the middle rod
Outer diameter of the spiral blade
Wall thickness
Length
Thread specification
1
L85/51×3000-J44×12
51
85
3
3000
Rectangular thread 44×12
2
L120/89×3000-4/25.4
89
120
4
3000
4 teeth/inch
3
L95/60×2000-6/25.4
60
95
4
2000
6 teeth/inch
4
L120/76×3000-NC23
76
120
4
3000
NC23
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