Factory direct supply wholesale drill bit quality drill bit for machine tapered drill bit
The threaded drill bit are equipped with the hydraulic drilling rig and used for crush rock ,and it is widely used in tunnel construction, large scale mine(open and underground )and large section tunnel advance in metal mine.
MININGWELL thread button drill bits are 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.
Rock Drill Thread Button Bits is suitable for R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60 rock drill rods use. It have many thread. It’s widely used for hard rock(f=8~18) drilling use.
1) Thread connection: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60
2)Good quality material
3)Technology:hot-pressing or welding
Before Official Order, please confirm below informations:
(1) Thread Type
(2) Standard or Retrac
(3) Bit button shape (tip shape)–Spherical or Ballistic
(13) Bit face shape–Drop Center, Flat Face, Convex, Concave, etc…