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DTH hammers and bits are widely used in underground mining, quarries, hydraulic and Hydro-Power Engineering, water well drilling, Mineral exploration, anchoring hole drilling, geothermal engineering, Subway excavation, another civil engineering. it has the advantage of high flatness, smooth hole wall, high rigid of drill rod and hammer, independent of high axial thrust, no limit of drilling depth, low cost of devices and easiness to maintain.
- Valveless air distribution. More reliable.
- Simple design of the piston. Long life.
- More efficient energy transfer, fact drilling speed, lower air consumption and lower oil consumption.
- Fewer internal parts, simple structure, long life, less failure and easier to maintain because all the parts are heat treated.
- Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
3" Shank COP32, COP34, DHD3.5, QL30 and M30 DTH hammers technical data:
* External diameter of hammer is adjustable according to customers' requests.
* Shock absorbers and Hexagonal Joints are available.
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Ply-wooden cases + pallet.
Delivery time:
2-3 weeks to departure port.
Details for our DTH hammers:
- 3.5 inch DTH hammers
- 4 inch DTH hammers
- 5 inch DTH hammers
- 6 inch DTH hammers
- 8 inch DTH hammers
- 10 inch DTH hammers
- 12 inch DTH hammers
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