DHD340 COP44 SD4 QL40 M40 DTH hammers for sale

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DHD340 COP44 SD4 QL40 M40 DTH hammers

Product Application

DTH drilling tool is 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. 


dth hammer bit


Futures

- 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.


4" DTH hammer shank DHD340/COP44/SD4/QL40/M40 technical data:


DHD340 / COP44
SD4
QL40
M40
Length(less bit)
1030mm
1084mm
1097mm
1005mm
Weight (less bit)
39.0kg
40.5kg
41.0kg
40.0kg
External diameter
180mm
180mm
99mm
99mm
Bits shank
DHD340 / COP44
SD4
QL40
M40
Bits diameter
110mm-135mm

110mm-135mmm

110mm-135mm
110mm-135mm
Connection thread
API 2 3/8" Reg
API 2 3/8" Reg
API 2 3/8" Reg
API 2 3/8" Reg
Air pressure
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
1.0-3.0Mpa

* Hammers without footvalve (fast speed hammer) are available.

* External diameter of hammer is adjustable according to customers' requests.
* Shock absorbers and Hexagonal Joints are available.

dth hammer drill bitDTH HAMMER 2DTH Hammer No 02


Bestlink Factory

Xiamen Bestlink Factory Co., Ltd  is  committed  to  provide  the  best  drilling  and  cutting machine,  tools and accessories products in marble and granite stone quarrying,  as well as in civil engineering application, especial demolition project. it is now a leading manufacturer of cutting and drilling equipment for the extraction of marble, granite  and ornamental stones in china.  

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