DTH pipe O.D 89mm

DTH pipe O.D 89mm, 3000mm

Rock drilling tools manufacturer ProDrill offers high quality DTH drill pipe, products feather as follows:

1. Threaded connection of DTH drill rod has been processed by nitrogen treatment to improve the surface hardness and wear resistance of thread.
2. Use R780 as material of DTH drill rod to improve wear resistance and strength.
3. Adopt the upsetting treatment to reduce the weight of the DTH drill pipe while keep the strength of welding connection(Wall thickness is 6.6mm and welding connection thickness is 8.5mm)