Down The Hole Hammer Drill Bit , 8'' Hole Drill Bits for rock blasting and Water Well Drilling Hole Drill Bits
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.
• Underground mining
• Tunneling
• Quarry benching operations
Characteristics
1. Can match to the original DHD380,COP84,SD8,QL80
2. Spherical, ballistic, parabolic inserts
3. Certificate: ISO9001:2008, SONCAP
Shank: DHD380 DTH hammer from,TH180 from our company
Diameter: 199mm to 240mm.
Applicaiton field: blasting hole,geotheromal hole.
Face design: flat, convex, concave
Inserts design: spherical, ballistic, parabolic
Fetures:
1. Reliable quality, long service life, rare abnormal breakage during service life.
2. Good flushing effect to ensure high drilling rate
3. Strict quality warranty and compensation rules
Markets: Italy, France, Russia, Greece,Canada,Korea, Chile, Brazil, Nigeria, Mongolia and etc.
Specification
| Drill Bits | Bit Dia.(mm) | No.Air Holes | Gauge Buttons | Front Buttons | Weight (kg) | Parts No. |
| DHD380,COP84 
| 203 | 2 | 10×18 | 10×16 | 40.0 | HD85-203 |
| 216 | 2 | 10×18 | 12×16 | 49.0 | HD85-216 |
| 241 | 2 | 12×18 | 18×16 | 64.0 | HD85-241 |
| 254 | 3 | 12×18 | 21×16 | 71.0 | HD85-254 |
| 305 | 4 | 12×18 | 29×16 | 95.0 | HD85-305 |
| SD8 
| 203 | 2 | 10×18 | 10×16 | 37.0 | SD8-203 |
| 216 | 2 | 10×18 | 12×16 | 48.0 | SD8-216 |
| 241 | 2 | 12×18 | 18×16 | 63.0 | SD8-241 |
| 254 | 3 | 12×18 | 21×16 | 70.0 | SD8-254 |
| 305 | 4 | 12×18 | 29×16 | 94.0 | SD8-305 |
| QL80 
| 203 | 2 | 10×18 | 10×16 | 35.0 | QL80-203 |
| 216 | 2 | 10×18 | 12×16 | 49.0 | QL80-216 |
| 241 | 2 | 12×18 | 18×16 | 64.0 | QL80-241 |
| 254 | 3 | 12×18 | 21×16 | 71.0 | QL80-254 |
| 305 | 4 | 12×18 | 29×16 | 95.0 | QL80-305 |
| MISSION 80 
| 203 | 2 | 10×18 | 10×16 | 35.0 | HM8-203 |
| 216 | 2 | 10×18 | 12×16 | 40.0 | HM8-216 |
| 241 | 2 | 12×18 | 18×16 | 54.0 | HM8-241 |
| 254 | 3 | 12×18 | 21×16 | 57.0 | HM8-254 |
| 305 | 4 | 12×18 | 29×16 | 77.0 | HM8-305 |
| 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.
Purchase Process
Product Tags:
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Down The Hole DTH Drilling Tools , 8'' Hole Drill Bits For Rock Blasting Images
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