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High Air Pressure DTH Drilling Hammers (DHD, SD, QL, Mission, Numa , Cop)

China High Air Pressure DTH Drilling Hammers (DHD, SD, QL, Mission, Numa, Cop), Find details about China DTH Hammers, Down The Hole Hammer from High Air Pressure DTH Drilling Hammers (DHD, SD, QL, Mission, Numa, Cop)

Model NO.
COP, DHD, SD, QL, Mission, BR
Material
Special Steel
Trademark
SOLLROC
Transport Package
Ply-Wooden Cases for Exporting
Specification
Grade A
Origin
Changsha, Hunan
HS Code
84314320
Model NO.
COP, DHD, SD, QL, Mission, BR
Material
Special Steel
Trademark
SOLLROC
Transport Package
Ply-Wooden Cases for Exporting
Specification
Grade A
Origin
Changsha, Hunan
HS Code
84314320
We provide quality and durable DTH hammer from 2" to 12". 



Features:
The cylinders, pistons, and other spares is made of quality alloy steel with heat treatment. 
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.

DTH hammers without footvalve can be available.
Different out diameters of out cylinder can be available.
DTH bits 60mm-381mm for above hammers can be available.


Products specifications:

 

Hammers		Bit ShankConnection ThreadSuitable bitWorking pressureAir consumption
1-3" Middle-low pressure DTH hammers
BR1
BR2
BR3		RD40 box
RD50 box
API 2 3/8" Reg
¢64-¢76mm
¢70-¢90mm
¢90-¢110mm		0.7-1.75Mpa
0.7-1.75Mpa
0.7-1.75Mpa		0.7Mpa4.5m3/min
1.0Mpa4m3/min
1.4Mpa5m3/min
3" hammersDHD3.5
COP32/COP34
M30		API 2 3/8"Reg¢90-¢110mm1.0-1.5Mpa1.0Mpa4.5m3/min
1.5Mpa9m3/min
4" hammersDHD340
COP44
QL40
SD4
M40		API 2 3/8"Reg¢105-¢130mm1.0-2.5Mpa1.0Mpa6m3/min
1.8Mpa10m3/min
2.4Mpa15m3/min
5" hammersDHD350
COP54
QL50
SD5
M50		API 2 3/8"Reg/API 3 1/2"Reg¢130-¢156mm1.0-2.5Mpa1.0Mpa9m3/min
1.8Mpa15m3/min
2.4Mpa23m3/min
6" hammersDHD360
COP64
QL60
SD6
M60		API 3 1/2"Reg¢152-¢203mm1.0-2.5Mpa1.0Mpa10m3/min
1.8Mpa20m3/min
2.4Mpa28.5m3/min
8" hammersDHD380
COP84
QL80
SD8		API 4 1/2"Reg¢200-¢279mm1.0-2.5Mpa1.0Mpa15m3/min
1.8Mpa26m3/min
2.4Mpa34m3/min
10" hammersSD10
NUMA100		API 6 5/8"Reg¢254-¢330mm1.0-2.5Mpa1.0Mpa22m3/min
1.8Mpa40m3/min
2.4Mpa55m3/min
12" hammersDHD1120
SD12
NUMA120
NUMA125		API 6 5/8"Reg¢305-¢381mm1.0-2.5Mpa1.0Mpa30m3/min
1.8Mpa56m3/min
2.4Mpa78m3/min


About us:

We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotton good reputation from our customer all over the world, such as France, Spain, Italy, South Africa, Australia, Iran, Malaysia, etc.



Products photoes

High Air Pressure DTH Drilling Hammers (DHD, SD, QL, Mission, Numa, Cop)

High Air Pressure DTH Drilling Hammers (DHD, SD, QL, Mission, Numa, Cop)




Quality warranty:

Our hammers are made of high quality steel and all spares are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.



Package:

Using ply-wooden cases and pallet for exporting to protect products and avoid the damagement during transportation. Also we can customize package according to your special requests.


Production time:

Generally, Production time is 15 -25 days.


Transportation:

By air, By Express or By sea according to your requests.

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