Product selling point
The DTH drill bitis made of high quality steel and hard alloy as the raw material. After a special heat treatment process, the hardness of the bit bit is reached under rock excavation, and the energy loss in the transmission process is reduced, the stress on the tooth is uniform. Not easy to fall off the teeth, so the impact of energy-intensive rock to achieve high-efficiency drive.
Item Description
Model | Head Diameter (mm) | Spline | No. Air Holes | Gauge Buttons | Front Buttons | Weight (Kg) |
|---|---|---|---|---|---|---|
BR1 | 64 | 6 | 2 | 6XØ10 | 4XØ9 | 1.8 |
BR1 | 70 | 6 | 2 | 6XØ11 | 4XØ10 | 2 |
BR2 | 76 | 6 | 2 | 6XØ14 | 4XØ11 | 2.7 |
BR2 | 80 | 6 | 2 | 6XØ14 | 4XØ11 | 2.8 |
BR2 | 85 | 6 | 2 | 6XØ14 | 4XØ12 | 3 |
BR2 | 90 | 6 | 2 | 6XØ14 | 4XØ12 | 3.1 |
HD25 | 76 | 6 | 2 | 6XØ14 | 4XØ11 | 3.2 |
HD25 | 80 | 6 | 2 | 6XØ14 | 4XØ11 | 3.3 |
HD25 | 85 | 6 | 2 | 6XØ14 | 4XØ12 | 3.4 |
HD25 | 90 | 6 | 2 | 6XØ14 | 4XØ12 | 3.6 |
Bit face shape selection
1. Center drop 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.
Carbide button shape selection
1. Domed/Round Button
2. Parabolic/Semi-Ballistic Buttons
3. Ballistic Button
4. Sharp Button
5. Flat Button
1-2" Middle Air Pressure DTH Bits
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Contact Us
E-mail: zyzcjx@163.com
Add: No.11 Tongyang East Road,Jingzhang Olympic Park Area, Xuanhua District, Zhangjiakou City, Hebei, China
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