6m Length API 2-3/8'' Down The Holw Drilling DTH Drill Pipe

Product description:

DTH drill pipes are widely used in mining,water well drilling,geothermal,oil and all kinds of DTH rock drilling,with high quality low carbon steel to ensure good resistance to strengthen and tensile,friction welded to ensure the adapter and pipe connect tightly as a whole set the cyclic extrusion-compression ensure reliable pipe.

The high pressure air is delivered to DTH hammer by DTH drill pipe, simultaneously it transfer the rotation and press force to the DTH hammer.

Specification:

Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm

Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm;

Thread: 2 3/8” API REG, 2 7/8” API REG, 3 1/2” API REG, 4 1/2” API REG, 2 3/8 API IF, 3 1/2 API IF