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DTH drill bits
1.Cemented carbide buttons
2. Excellent flushing
3. Spherical, ballistic, parabolic inserts
4. longer life
Ql60-178mm DTH Bit
Macthed Hammer: Atlas Copco QL60, Teamwhole TH6
Application Fields: Blasting hole, water well and geothermal projects
Face Design: flat/convex/concave
Carbide Button Shape: spherical/ballistic/semi-ballistic
Features: 1. Reliable quality with steady performance
2. Strictly material chosen ensures long service life
3. Good flushing effect increases drilling rate
Quality Guarantee: products with any problem caused by unqualified material and maching,will be replaced
with providing photos of broken parts serial number.
High pressure hammer bit we provided:
| Hammer type | Bits | Face design | API thread | Diameter | Work pressure |
| G24(2") | 76/80mm | Flat/Concave/Convex | F42×10×1.5 | 70mm | 6-25 bar |
| G3.5(3") | 90-100mm | Flat/Concave/Convex | 2 3/8" REG | 80mm | 6-25 bar |
| G44(4") | 105-130mm | Flat/Concave/Convex | 2 3/8" REG | 99mm | 6-25 bar |
| G54(5") | 134-152mm | Flat/Concave/Convex | 2 3/8" REG 3 1/2" REG | 124mm | 6-25 bar |
| G64(6") | 152-254mm | Flat/Concave/Convex | 3 1/2" REG | 137mm | 6-25 bar |
| G84(8") | 203-305mm | Flat/Concave/Convex | 4 1/2" REG | 182mm | 10-25 bar |
We provide the bits diameter details:
| Model | Bit diameter mm(inch) | Weight |
| TH79(3.5inch) | 90mm-100mm(3 1/2-3 7 /8) | 4-4.5 |
| DHD3.5 | 90mm-105mm(3 1/2-4 1/8) | 4.5-5.5 |
| BR33 | 90mm-100mm(3 1/2-3 7 /8) | 4-4.5 |
| DHD340 | 105mm-138mm(4 1/10-5 2/5) | 8-12 |
| QL40 | 110mm-133mm(4 3/8-5 1/4) | 10-12 |
| DHD350 | 135mm-165mm(5 3/10-6 1/2) | 15.2-18 |
| MISSION50 | 138mm-165mm(5 2/5-6) | 16-18 |
| QL50 | 138mm-152mm(5 2/5-6) | 16-18 |
| SD5 | 138mm-152mm(5 2/5-6) | 16-18 |
| MAHC50 | 138mm-152mm(5 2/5-6) | 16-18 |
| DHD360 | 152mm-203mm(6-8) | 24-33 |
| MISSION60 | 152mm-203mm(6-8) | 21-30 |
| SD6 | 152mm-254mm(6-10) | 24-50 |
| QL60(COP64G) | 152mm-203mm(6-8) | 24-33 |
| XL60 | 152mm-190mm(6-7 1/2) | 22-27 |
| DHD380 | 200mm-305mm(7 7/8-12) | 47-82 |
| SD8 | 200mm-305mm(7 7/8-12) | 47-82 |
| QL80 | 200mm-305mm(7 7/8-12) | 48-84 |
| TH220 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| NUMA100 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| SD10 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| DHD112 | 310mm-444.5mm(12 1/5-17 1/2) | 140-252 |
| SD12 | 310mm-444.5mm(12 1/5-17 1/2) | 142-254 |
| NUMA120 | 310mm-444.5mm(12 1/5-17 1/2) | 140-252 |
| TH398(20inch) | 500mm-550mm(19 3/5-21 3/5) | 480-510 |
| TS398(20inch) | 500mm-550mm(19 3/5-21 3/5) | 480-510 |
| TH600(32inch) | 800mm-1000mm(31 2/5-39 3/10) | 680-984 |
More pictuers:
Bit face shape for selections:
