DTH ( Down The Hole) bits are widely used for open-pit mining, quarry,
hydropower engineering, well drilling and excavation side column
We can supply DTH bits from 85mm to 305mm. The main products
are:Similar or equal DHD, COP and SD series hammers, our DTH bits
range from 85mm, 90mm, 95mm, 100mm, 105mm, 110mm, 115mm 120mm,
127mm, 133mm, 140mm, 146mm, 152mm, 165mm, 175mm, 190mm, 203mm,
216mm 254mm, 305mm, etc.
1.Deliver maximum energy to drilling bit, fast drilling speed and
low air consumption due to inner structure of HD series DTH hammer
designed according to newest rock drilling theory.
2.Smooth performance and long service life of HD series DTH hammer
due to high quality alloy steel materials and advanced processing
3.Low problem rate and easy to maintenance due to simple , reliable
and easy assemble and disassemble inner structure of hammer.
4.Easy to depart bit from hammer due to multi-head thread
connecting chuck and cylinder of hammer.
5.Interchangeable with DTH bit and dill pipe manufactured by Atlas
copco and Ingersoll-rand.
Offer IR hammer, DHD3.5, DHD340a, DHD360, DHD380, COP and QL
hammer. The optimum range of hole size for blast drilling with DTH
is 90mm to 254 mm, smaller blast holes are generally drilled using
top hammer, and larger holes generally use rotary machines. Our
hammer like COP and QL are known for their reliability and