Down The Hole DTH Button Bits DTH hammer Bits DTH Drill Bits DTH
Bits
We offer THE COMPLETE SOLUTION including DTH drill bits, DTH
hammer, RC hammers, RC bits, ODEX system, Symemtrix system, drill
rods, shank adapters, accessories and added value services.
- We offer top hammer equipment for every application, such as
underground mining and quarries, road and construction.
- We've been involved in the mining industry for 10 years. We look
for excellent performance in our products and service.
Product specifications:
All products are compatible with many products manufactured by , Atlas Copco, etc, all our products are widely used in mining, tunneling, quarrying,
construction, and civil engineering project.
DTH bits
1. manufacture as your requirement
2. bit diameter, face shape
3. carbide button shape
4. number of air hole
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.
Carbife button shape selection:
1. Domed/Round Button
Domed/Round Buttons are usually used as gauge buttons of DTH Bits,
suitable for every abrasive and very hard formations.
2. Parabolic/Semi-Ballistic Buttons
Parabolic Buttons are usually used as gauge buttons and front
buttons of DTH Bits, suitable for medium abrasive and hard
formations.
3. Ballistic Button
Ballistic Buttons are usually used as front buttons of DTH Bits,
suitable for medium abrasive and mesium hard formations. They can
also be used as gauge buttons if the rock is soft.
4. Sharp Button
Sharp Buttons are usually used as front buttons of DTH Bits for
soft formations where fast penetration rates are possible.
5. Flat Button
Flat buttons are usually used as protection buttons to reduce wear
on rubbing surfaces of dth bits.
| Type | Model | Length (mm) | Weight (kg) | External Dia.(mm) | Hole Range (mm) |
| 3.5 inch | DHD3.5 | 930 | 25 | Φ82 | Φ90-110 |
| 4 inch | DHD340 | 1030 | 39 | Φ99 | Φ110-135 |
| SD4 | 1084 | 40.5 | Φ99 |
| QL4 | 1097 | 41 | Φ99 |
| Mission40 | 1005 | 40 | Φ99 |
| 5 inch | DHD350 | 1214 | 76.5 | Φ125 | Φ135-155 |
| SD5 | 1175 | 72.5 | Φ125 |
| QL5 | 1147 | 73 | Φ125 |
| Mission50 | 1110 | 68.5 | Φ125 |
| 6 inch | DHD360 | 1248 | 100 | Φ142 | Φ155-190 |
| SD6 | 1261 | 100 | Φ142 |
| QL6 | 1212 | 95 | Φ146 |
| Mission60 | 1161 | 90 | Φ146 |
| 8 inch | D85 | 1492 | 188 | Φ180 | Φ195-254 |
| SD8 | 1463 | 192 | Φ180 |
| QL8 | 1465 | 182 | Φ180 |
| Mission80 | 1338 | 176 | Φ180 |
| 10 inch | SD10 | 1502 | 290 | Φ226 | Φ254-311 |
| NUMA100 | 1510 | 288 | Φ226 |
| 12 inch | DHD1120 |
All can be designed according to your requests! |
| Numa120 |
| Numa 125 |
Product photos
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