T38 76mm retrac button bits with ballistic buttons
Comparing with tapered chisel bits and tapered cross bits, button bits has higher technology, much longer primary drilling time and higher drilling efficiency, so that the button bit is popular among the users.
According to the tungsten carbide insert, tapered button bits can be divided into the types of hemispherical button, conical button and parabolic button, etc.
Button bits with hemispherical button is for high bearing capacity and abrasive resistance while conical button and parabolic button are for high drilling speed and low abrasive resistance.
OEM and ODM--- We can design and manufacture according to customers's samples or drawings of the Bit Dia., No. Of air/water holes, carbide button shape and the face shape.
Super Quality--- Our button bit is made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.
Global Reputation--- The taper drill bit is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc. Our clients
Are all over the world, like Germany, Spain, Italy, Russia, Japan, India, Australia, Mexico, Colombia, Brazil,
Chile, South Africa...Etc. We have very good reputation worldwide!
| Thread Type |
dia |
tip size(mm) |
flushing holes |
weight (kg) |
| mm |
gauge |
front |
side |
front |
| T38 |
57 |
5*11 |
3*10 |
1 |
1 |
1.6 |
| 64 |
5*12 |
3*11 |
1 |
1 |
1.6 |
| 76 |
5*14 |
3*12 |
1 |
2 |
2.4 |
| T45 |
70 |
6*11 |
4*10 |
0 |
2 |
2.4 |
| 76 |
6*13 |
4*10 |
0 |
2 |
2.6 |
| 89 |
8*12 |
5*12 |
2 |
2 |
4.5 |
| 102 |
8*13 |
6*12 |
2 |
2 |
5 |
| 115 |
8*14 |
6*13 |
2 |
2 |
6.8 |
| T51 |
89 |
8*12 |
5*12 |
2 |
2 |
4.9 |
| 102 |
8*13 |
6*12 |
2 |
2 |
5.8 |
| 115 |
8*14 |
6*13 |
2 |
2 |
6.8 |
| 127 |
8*14 |
6*14 |
2 |
2 |
7.5
|
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