| Picture |
Heading |
Updated |
 |
R28 Tungsten Carbide Thread Button Bit
R28 Tungsten Carbide Thread Button Bits are widely used in Drifting and Tunneling. GMD could design customized thread button drill bits according to different drilling application. |
2018-07-18 |
 |
R25 Drill Bits for Drifting
R25 Drill Bits are made by high quality alloy steel bar and tungsten carbides.It is widely used in Drifting and Tunneling. |
2018-06-20 |
 |
Hot Insert Steel R32 Thread Drill Bits
R32 Thread Drill Bit made with high quality of best quality alloy steel bar and tungsten carbide, through heat treatment like Atlas. It can withstand the toughest rock drilling demands,and transmit intensive impact energy into the rock with the least poss |
2018-06-14 |
 |
R28 Drill Bit for Drifting
R28 Drill Bits are made by high quality alloy steel bar and tungsten carbides.It is widely used in Drifting and Tunneling. GMD could design customized thread button drill bits according to different drilling application. |
2018-05-23 |
 |
R25 Tunneling Thread Button Bit
R25 Tunneling Thread Button 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. GMD coul |
2018-05-04 |
Friends links