Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. After well controlled heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks.
Besides, we can design customized thread button drill bits according to different drilling application, and custom drill bits are applicable to drill soft rock, loose-medium rock and hard rock.
Rock drill thread button bits is suitable for R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60 rock drill rods use. We have many threads. It's widely used for hard rock(f=8~18) drilling use.