76mm BR2 DTH Hammer Bits with Spherical And Parabolic Ballistic Buttons

We adopts famous domestic large steel enterprises production of material to produce drill pipe, and heat treatment of materials by using an integrated multi-processing furnace, profession CNC machining was applied in all of the connection thread processing, all the treads are configured thread gauge, which are in accordance with international standard, internal thickening technology has carried on the tempering process after friction welding, so the processing quality of drill pipe is stable, reliable, use cycle greatly extended. We can process different length, diameter and wall thickness and material of API standard thread rod, we also can design and manufacture drill pipe according to customers’ requirement of the material, length, wall thickness and connect thread.