DTH water well drill pipe
RoHS, BS, DIN, JIS, AISI, API
Oil Mining, Coal Mining, Well Drilling, Ore Mining
2 3/8" API Reg, 3 1/2" API Reg (API Thread, Custom
Friction Welding, Nitrading, Upsetting
API Reg Thread 76mm 89mm Drill Pipe for DTH Hammer
Bundle
from 2 3/8" to 6 5/8"(50-168mm)