Product name
Manufacture wireline drill pipe HQ NQ BQ for mine drilling machine
Color
black or as per your request
Outer diameter
from 2 3/8" to 6 5/8"(50-168mm)
Thread type
2 3/8" API REG, 3 1/2" API REG (API thread, customized)
Length
R1-R3 or customized
End-Upset type
IU, EU, IEU
Application
for well drilling and Geological mining drilling
Production technology
Friction welding, nitrading, upsetting