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DTH hammers

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The DTH is the abbreviation of Down The Hole and sometimes it is also called RAB in some markets, then the RAB is short for Rotary Air Blasting

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SINODRILLS DTH Hammers


The “DTH” is the abbreviation of “Down The Hole” and sometimes it is also called “RAB” in some markets, then the “RAB” is short for “Rotary Air Blasting”.

A rotation drill rig, air compressor and the “DTH drill string” are the essential unit for DTH drilling while the “DTH drill string” is always made up of DTH drill rods, DTH hammer and DTH bits. As one of key component, the DTH hammer acts as a role of converting the air pressure to the impact energy, simultaneously transferring impact energy and rotation force to DTH bits.

As specialist manufacturer and provider of DTH drilling tools, hereby we recommend our newest generation DTH hammer which is improved by absorbing art technology, selecting superior alloy steel and robust design. It is proved by more than thousands times of test that our newest DTH hammer has longer life ,  lower air consumption and 15% higher penetration speed compared the conventional DTH hammer in the market. In addition, it can work at the air pressure from 6 Bar to 35 Bar(0.6~ 3.5Mpa). At last, we developed various type of DTH hammer which can be compatible with DHD, COP, QL, MISSION and SD shank of DTH bits and performs very well. Therefore, the newest generation DTH Hammer is very popular among our customers and has a good market share as soon as it launched in the market.


1, The GSE DHD series DTH hammer: The Sinodrills GSE DHD series hammers can fit the DTH bits with DHD shank. Due to its optimized and robust design, in addition the superior material makes the DTH hammer longer life, less air consumption and 15% higher penetration speed than conventional DTH hammer in the market. The below is the specification of GSE DHD series DTH hammer:

GSE DHD hammer


GSE DHD Hammer size

GSE DHD Hammer working pressure

The impact freequency when it is working on 18Bar

GSE DHD3.5

6 Bar to 35 Bar

32 Hz

GSE DHD340

31 Hz

GSE DHD350

30 Hz

GSE DHD360

28 Hz

GSE DHD380

23 Hz



2, The GSE QL series DTH Hammer: The Sinodrills GSE QL series hammers can fit the DTH bits with QL shank. Due to its optimized and robust design, in addition the superior material makes the DTH hammer longer life, less air consumption and 15% higher penetration speed than conventional DTH hammer in the market. The below is the specification of GSE QL series DTH hammer:

GSE QL hammer

GSE QL DTH Hammer size

GSE QL DTH Hammer working pressure

The impact freequency when it is working on 18Bar

GSE QL40 DTH Hammer

6Bar to 35 Bar

31Hz

GSE QL50 DTH Hammer

30Hz

GSE QL60 DTH Hammer

28Hz

GSE QL80 DTH Hammer

23Hz

3, The GSE MISSION Series DTH hammer: The Sinodrills GSE MISSION series hammers can fit the DTH bits with MISSION shank. Due to its optimized and robust design, in addition the superior material makes the DTH hammer longer life, less air consumption and 15% higher penetration speed than conventional DTH hammer in the market. The below is the specification of GSE MISSION series DTH hammer:

GSE MISSION hammer

GSE MISSION DTH Hammer size

GSE MISSION DTH Hammer working pressure

The impact freequency when it is working on 18 Bar

GSE MISSION30 DTH Hammer

6Bar to 35Bar

33Hz

GSE MISSION40 DTH Hammer

33Hz

GSE MISSION50 DTH Hammer

33Hz

GSE MISSION60 DTH Hammer

30Hz

GSE MISSION80 DTH Hammer

25Hz





4, The GSE SD Series DTH Hammer: The Sinodrills GSE SD series hammers can fit the DTH bits with SD shank. Due to its optimized and robust design, in addition the superior material makes the DTH hammer longer life, less air consumption and 15% higher penetration speed than conventional DTH hammer in the market. The below is the specification of GSE SD series DTH hammer:

GSE SD hammer_澳门威尼斯人5002 cc

GSE SD DTH Hammer size

GSE SD DTH Hammer working pressure

The impact freequency when it is working on 18Bar

GSE SD4 DTH Hammer

6Bar to 35 Bar

31Hz

GSE SD5 DTH Hammer

30Hz

GSE SD6 DTH Hammer

28Hz

GSE SD8 DTH Hammer

23Hz




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