|R32 Drill Bits are ideal for medium to hard ground, they are recognized by their characteristic raised buttons and grooved chipways and flushing holes on the face.|
GMD rock tools for top hammer drilling are designed to transmit intensive impact energy into the rock with the least possible loss of energy. The result is good rock breakage, high penetration rates and high productivity. This, together with optimal hole quality, great reliability and long service life, gives the best possible blasting results, outstanding drill-steel economy and low total cost.
A comprehensive range of various button bits shown as below:
Product Name: R32 Drill Bits
Thread type: R32
Head diameters: 41mm ~ 76mm
Face designs; flat face,
Carbide shape: Dome, Ballistic , Semi-Ballistic,
Skirt designs: Standard, Retrac
R32 Drill Bits for Drifting and Tunneling
Name Code No. Thread Dia.(mm) Gauge Front Skirt Design Weight(kg)
Threaded Button BitsQ7-41-R32R32415*9mm2*9mmStandard0.61
Special sizes may be available upon request.
How to order?
Button Bit: Diameter + Thread + Skirt Shape + Face Design + Insert Button Shape
How to Choose the Right Button Shape
Button Shape and Application
Domed/Round Button: Domed/Round buttons are suitable for very abrasive and very hard formations.
Parabolic /Semi-Ballistic Button; Parabolic buttons are usually used as gauge buttons and front buttons, suitable for medium abrasive and hard formations.
Ballistic Button : Ballistic buttons are usually used as front buttons, suitable for medium abrasive and medium hard formations. They can also be used as gauge buttons if the rock is soft.
Sharp Buttons ; Sharp buttons are usually used as front buttons for soft formations, suitable for high rotation speed and low bit broken rate soft rock.
R32 Threaded bit,
R32 Drill Bits
thread button bit,
R32 button bit
R32 Button Bit for for Drifting and Tunneling
Thread Button Bit for for Drifting and Tunneling
Button Bit for for Drifting and Tunneling
Button Drill Bit for for Drifting and TunnelingR32 Thread Button Bit suppliers