earth drilling bit

earth drilling bit ISO9001 high quality and the lower price OEM or produce according to your request best service

earth drilling bit

 

Thread button bits

1. Rope thread:R25 R28 R32, R33, R38, R35

    T thread: T38, T45, T51, ST58, T60 GT 60.

2. Main button bits diameters:     R32-45MM, R32-51, R32-64, R32-76,    T38-64MM, T38-76MM, T38-89, T38-102MM,    T45-76MM, T45-89MM, T45-102MM,    T-89MM, T51-102MM, T51-127 etc.

3.  Button bit face design: Flat face, drop centre, Normal and Retrac body.

4.  Tungsten carbide (Buttons): Spherical, ballistic and Conical. (Threaded R32, R38, T38, T45, T51, bit

     diameter: 45mm-127mm);

Tapered Button Bit

1. Taper: degree 4° ,6°, 7°, 9°,11°, 12°.

2. Type: flat bit, cross bit, button bit

3. Main bit diameter: 30mm, 32mm, 36mm, 40mm           

4.Package: in wooden case or in carton.

Tapered button bits are mainly used in mining,coaling,metaling and etc

 

 

earth drilling bit