Происхождение товара
Hebei, China
Тип аппарата
Буровой инструмент
Материал
Нержавеющая сталь
Тип обработки
Холодной прокатки
Применение
Бурение скважин
Product name
High performance oil drill pipe used drill collars for sale
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