... base of series of rock drilling tools, mining tools, DTH Drill tools. Construction tools and excavating coal pick cutter tools, we can also produce ... body.Tungsten carbide (Buttons): Spherical, Ballistic and Conical. (Threaded R32, R38, T38, T45, T51 ; bit diameter: 45mm-127mm); ... the thread. Include couplings sleeve (threaded R22, R25, R28, R32, R38, T38, T45, T51)Shank adapters - carburized and ...