Thread button bits 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
According to different drilling application, we have different design to meet customers with good quality and good price. No matter what kinds of rock- Soft rock, loose-medium rock, hard rock and any other special formations, just tell us what you need and leave others at our disposal, we will handle the following, our special Tailored service is waiting for you upon your demand.
(1)Thread Button Bit Type : R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60
(2)Diameter: 38-127mm.
(3)Package: In wooden case or in carton.
(4)Productivity: 10000pcs/ month
Bit face shape selection:
1. Drop Center Bit
For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.
2. Concave Face
The all-round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.
3. Convex Face
For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control.
4. Double Gauge Face
This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.
5. Flat Face Bit
This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.
Especially our ST58, GT60 Button Bit Retrac Bit, which is widely welcomed by our client with good quality and good price.
| Dia(mm) |
Thread |
length |
| 37 |
R25 |
110 |
| 45 |
R32 |
110 |
| 56 |
R32 |
115 |
| R38 |
115 |
| R38 |
115 |
| 57 |
R38 |
120 |
| T38 |
120 |
| 64 |
T45 |
155 |
| 76 |
T51 |
155 |
| 56 |
R32 R38 |
115 |
| R38 R38 |
180 |
| 64 |
T45 T38 |
135 |
| 76 |
T38 T45 |
155 |
| 89 |
T45 T51 |
163 |
Audited Supplier 
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