When percussion or hammer drilling the percussion mechanism is
called a DTH or down the hole hammer. This drilling tool is located
directly above the down hole hammer bit. The driller transfers
weight to the bit through the drill pipe as well as provides some
rotation. Through the use of a compressor, the pressurized air is
forced to the down hole hammer. As the drilled hole gets deeper the
driller adds more drill pipe to the string. The piston strikes the
impact zone of the hammer bit; hammers are always used as part of a
casing advancement system and can be used in reverse circulation
applications. DTH hammers are common when drilling blast holes and
Suitable choice of raw material, advanced processing technology and
perfect quality warranty.
With hardened treatment, drilling life can be extended and then
cost can be reduced.
Size range 1-2’’,3 ’’, 4’’, 5’’, 6’’, 8’’, 10’’, 12’’ etc.
SD4, SD5, SD6, SD8,SD10,SD12;
Our DTH hammer are widely applied to open pit and underground
mining to drill blasting holes, drainage holes, ventilation holes,
center holes or blasting holes of raising boring, pipe holes and
other deep holesin all various strength rocks, such as quarry
exploitation, earthwork projects, water-well, constructionsand so
1. Using the latest rock drilling theory,optimizing the inside
structure and the size of the air distrbution,to make the DTH
hammer obtain the optimal energy transfer and make it achieve
faster drilling speed and lower air consumption.
2. For such projects as the drill bit break,retrieving very
difficult,we specially designed a safe and reliable anti-shedding
device for the bit.
3. The check valve can be replaced to replaced to the one with
bigger air controlling hole to provide more efficient cutting
4. The top sub and the drive chuck have special thread,which can
achieve an easier disassemble.
1. Fast drilling speed and low air consumption due to the special
2. Smooth performance and long service due to high quality alloy
steel materials and advanced processing.
1. Low problem rate and easy to maintenance due to simple, reliable
and easy assemble and disassemble inner.
structure of hammer
1. Easy to depart bit from hammer due to multi—head thread
connecting chuck and cylinder of hammer.
2. Interchangeable with DTH bit and drill pipe.
The appearance of the picture is different from that of the actual
product, and the actual product is the standard.