API 2 3/8 REG water well drill pipe 1.5 meters with thickness 5mm DTH drill rod manufacturer

DTH drill pipes play a significant role in all DTH drilling, regardless type of rock, hole depth or drill rig.DTH drill pipe is mainly used in the drilling blasting hole, guardrail hole, mountain reinfrcement, anchoring and other engineering holes in mines,quarris, high ways, railways and so on. Feature: 1.Pipe body : cold draw seamless pipe . so the pipe have the accurate size , good centralizer. 2.Thread connector :Heat and Nitrogen treatment , so the pipe is more durable and easier to load and unload . 3.Friction welding .