Tungsten Carbide Forging DTH Drill Bit for Hard Rock Borehole Drilling / Mining 10''
Application
DTH (Down to Hole) drill bit, also called spline connected drill bit, is mainly used in large scale mine (open and underground), open quarry and construction. The hammer is situated down the hole in direct connected with the drill bit with splines in the bit. The hammer piston strikes the drill bit resulting in an efficient transmission of the impact energy and insignificant power losses with the hole depth.
Our hammer and bits are made of high quality alloy steel with advanced heat treatment to assure the good drilling performance and long service life. They are widely used by our customers all over the world.
All the products are manufactured as per the international standard and well compatible with the brand of Atlas Copco, Ingersoll-Rand, etc
• Underground mining
• Tunneling
• Quarry benching operations
Characteristics
1. Valveless air distribution. More reliable.
2. Simple design of the piston, long life.
3. Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
4. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
Specification
| Drill Bits | Bit Dia.(mm) | No.Air Holes | Gauge Buttons | Front Buttons | Weight (kg) | Parts No. |
| SD10 
| 254 | 3 | 12×18 | 20×16 | 108.0 | SD10-254 |
| 305 | 4 | 12×18 | 36×16 | 125.0 | SD10-305 |
| 311 | 4 | 12×18 | 36×16 | 130.0 | SD10-311 |
| 318 | 4 | 12×18 | 38×16 | 142.0 | SD10-318 |
| 330 | 4 | 16×18 | 42×16 | 155.0 | SD10-330 |
| NUMA100 
| 254 | 4 | 12×18 | 20×16 | 90.0 | NUMA-254 |
| 305 | 4 | 12×18 | 36×16 | 102.0 | NUMA-305 |
| 311 | 4 | 12×18 | 36×16 | 104.0 | NUMA-311 |
| 318 | 4 | 12×18 | 38×16 | 106.0 | NUMA-318 |
| 330 | 4 | 14×18 | 42×16 | 112.0 | NUMA-330 |
| We can design and manufcture ccording to customer's requirement of the bit daimeter,No.of air holes,carbide button shape and the face shape. |
Packing& Delivery
Service
In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.
We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.
Product Tags:
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Tungsten Carbide DTH Drilling Tools , Forging DTH Drill Bits for Rock Borehole Drilling Images
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