1. High penetration rate 2. Excellent flushing, straightness and hole quality 3. Known for their reliability and logerity.

PRODRILL thread button bits

Rope thread:R32, R33, R38, R35

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

 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,T51-89MM, T51-102MM, T51-127 etc.

  

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

Tungsten carbide (Buttons): Spherical, ballistic and Conical. (Threaded R32, R38, T38, T45, T51, bit diameter: 45mm-127mm);

  

Couplings sleeves- manufactured with a middle stop to prevent walking along the thread. Include couplings sleeve (threaded R22, R25, R28, R32, R38, T38, T45, T51)

 

Shank adaptors - carburized and manufactured with tight tolerances and controlled straightness.

  

PRODRILL extension drilling tool - These drilling tools are manufactured with high quality raw materials that are durable and produced by premium steel, specialized heat treatment & stress relief process, especially premium carbide inserts supplied by Boart Longyear, which place our bits far ahead our competition and are the best you can buy. They are mainly equipped on rock drilling tools, oilfield drilling equipment and well drilling equipment, and more, and are widely used in dam construction, slope anchor, mine exploration and tunnel excavation, and other similar projects, and in  mining, quarrying, tunneling etc. Used with soft, medium, hard rock formation. 

 

 

 

.

Retarc Thread Button Bit