Thread button drill bits is optimized designs improve the drilling speed. It is made by high quality alloy steel bar and tungsten carbides. Through 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.
1. Button bit diameter: 38mm to 127mm;
2. Button bit thread: R22, R25, R28, R32, R35, R38, T38, T45,T51, GT60, ST58, ST68, SR32, SR35;
3. Button bit face design: flat face, dome face, drop center face;
4. Button bits carbides style: hemi-spherical (round), Parabolic (semi-ballistic), Ballistic (conical);
5. Head style: H(For extremely hard rock), A(For hard rock), S(For soft rock), M(For abrasive rock)
6. Skirt: Normal, Lengthen, Retract
7. Package: in wooden case or in carton
8. Productivity: 10000pcs/ month