7 taper drill bit ISO9001 &14001 high quality and the lower price OEM or produce according to your request best service

7° taper drill 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

 

 

7 taper drill bit