KSQ Technologies (Beijing) Co. Ltd
KSQ Technologies (Beijing) Co., Ltd.
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DHD112 12inch Dia310 to 420mm Hammer High Air Pressure DTH Hammers Bits
Features:
1.applicable hard,very hard and medium soft rock formations.
2.Reliable quality, long service life, rare abnormal breakage during service life.
3.Good flushing effect to ensure high drilling rate
4.Strict quality warranty and compensation rules
5.Can match to the original DHD112S etc
Order guide:
Bit Dia.+ Shank + Face shape + Carbide button shape
Examples For Ordinary Bits
Drop center bit, spherical+ballistic(other designs of faces and inserts are available)
Specification
ock drill bitDth rs are in different sizes ranging from 3" to 12".
Dth rock drill bits are available in valveless model and is competent to operate in harsh conditions
Applications of DTH Bit
• Underground mining
• Tunneling
• Quarry benching operations
|
Bit Dia.(mm) |
Qty.× Button Dia.(mm) |
Qty.Air Holes |
Weight (kg) | ||
|
Outer |
Front |
Back | |||
| 310 | 15×19 | 9×19+10×19+9×16 | 12×12 | 3 | 140 |
| 315 | 18×18 | 9×18+15×18+9×16 | 9×16 | 3 | 145 |
| 320 | 18×18 | 9×18+15×18+9×16 | 9×16 | 3 | 150 |
| 333 | 18×19 | 9×18+15×18+14×16 | 6×12+6×16 | 3 | 155 |
| 350 | 15×19 | 9×19+15×19+15×16 | 12×12 | 3 | 170 |
| 381 | 18×18 | 12×18+18×18+21×16 | 9×14 | 3 | 190 |
| 400 | 18×19 | 12×19+18×19+29×16 | 12×12 | 3 | 230 |
| 420 | 18×19 | 12×19+18×19+30×16 | 12×12 | 3 | 235 |