6 Inch DTH Drilling With DHD QL SD COP Shank

DTH hammers are ranges six main series from 3.5" to 24",it serves to drilling projects in mining,water well,geothermal, foundation,oil and gas.Choosing the right hammer is largely determined by hole size and rock formation.We design our hammers with different outstanding advantages,and provide the various shanks for international use. We are the only manufacturer to offer the optimum performance and the competitive price in every single application.

Product Details

 ROSCHEN down the hole(DTH) hammers have proven superior performance and adaptability to different application.


DTH hammers are ranges six main series from 3.5" to 24",it serves to drilling projects in mining,water well,geothermal, foundation,oil and gas.

Choosing the right hammer is largely determined by hole size and rock formation.We design our hammers with different outstanding advantages,and provide the various shanks for international use.
We are the only manufacturer to offer the optimum performance and the competitive price in every single application.

It's all right here. At Teamwhole drilling tools and Machinery.


 

ModelProduct codeThread connectionOuter diameterRec.hole sizeShankLength without bit(mm)Weight without bit(kg)Working pressure (bar)
(mm)style
3.5"223000API2 3/8"reg pin8090-115DHD3.59902814-24
4"230000API2 3/8"reg pin98110-138DHD34010453814-24
5"240000API3 1/2"reg pin126138-165DHD35012148514-24
6"252000API3 1/2"reg pin142152-203DHD36013009814-24
8"260000API3 1/2"reg pin180203-271DHD380152219016-22
12"282000API6 5/8"reg pin274331-445DHD112193867514-20

 

ROSCHEN DTH Hammers Specifications
Hammer SizeBit ShankROSCHEN CodeConnection ThreadSuitable bitWorking pressureAir consumption
2"BR2ROS 11
ROS 22
RD50 box¢70-¢90mm0.7-1.75Mpa0.7Mpa4.5m3/min
1.0Mpa4m3/min
1.4Mpa5m3/min
3"DHD3.5ROS 32API 2 3/8" Reg¢90-¢110mm1.0-1.5Mpa1.0Mpa4.5m3/min
COP32/COP34
M301.5Mpa9m3/min
4"DHD340ROS 34API 2 3/8" Reg¢110-¢135mm1.0-2.5Mpa1.0Mpa6m3/min
COP44
QL40
SD41.8Mpa10m3/min
M402.4Mpa15m3/min
5"DHD350ROS 52
ROS 54
API 2 3/8"Reg/API 3 1/2" Reg¢135-¢155mm1.0-2.5Mpa1.0Mpa9m3/min
COP54
QL50
SD51.8Mpa15m3/min
M502.4Mpa23m3/min
6"DHD360ROS 62
ROS 64
API 3 1/2" Reg¢155-¢190mm1.0-2.5Mpa1.0Mpa10m3/min
COP64
QL60
SD61.8Mpa20m3/min
M602.4Mpa28.5m3/min
8"DHD380ROS 82
ROS 84
API 4 1/2" Reg¢195-¢254mm1.0-2.5Mpa1.0Mpa15m3/min
COP84
QL801.8Mpa26m3/min
SD82.4Mpa34m3/min
M80/M85
10"SD10ROS 100API 6 5/8" Reg¢254-¢311mm1.0-2.5Mpa1.0Mpa22m3/min
Numa1001.8Mpa40m3/min
ROS 1002.4Mpa55m3/min
12"DHD1120ROS 120API 6 5/8" Reg¢305-¢445mm1.0-2.5Mpa1.0Mpa30m3/min
SD121.8Mpa56m3/min
Numa1202.4Mpa78m3/min
Notes: Any special size of DTH bits will be available by requests.
Metzke, Remet thread is available!

 



Key Features:


 

1) Reliability

The piston uses the special (imported) high nickel alloy steel, with advanced heat treatment as military industry standard.

Strengthening processing on hammer surface for higher were-resistance.

2) Suitability
Specially designed drill bits for middle soft and hard rock formations. Easily disassembly thread for easy maintenance.


3) Efficiency
Extra-short structure design for great efficiency of high impact energy transmission, with high impact power and fast drilling rate.

Hammer and bit design are optimized by computer simulation, with best air distribution chamber and air tightness design.


Process 


Our Service

1. Roschen offers the market most comprehensive range of DTH hammers. There are hammer solutions for water well drillers, miners and quarry drillers as well as for contractors in construction, oil and gas. Teamwhole's DTH hammers are available in holes sizes from 3.5 to 48 inches in diameter.


2. Roschen's flexible and stable ODEX system wins great reputation in users. Reliable quality,innovative design and professional service ensure the fulfill of many projects.


3. We even offer reverse circulating RC hammers for exploration. We are the earliest in China for RC since 2004. Now the RC hammer and bits are delivered to Australia,South Africa,Russia and Mongolia in large scales.

More than 60 experts supports the technology and enhance the development.
Offer the guide service for assembly and problem-analyse service during using.

 

FAQ

1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight.


2. Delivery Time:
Based on order quantity, normally it takes 20-25 days for DTH hammer production.
Only 2 or 3 days if we have stock on your request products.


3. Shipping:
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.


4. Quality Warranty:
For DTH hammer and bits products, our company response for any quality problem caused by material or machining defect.


5. Quality Control:

1. Raw material selection, we purchase the high-quality steel and strictly control the material composition and size, it main includes the detection of the shape, diameter, reamed diameter, length composition, and flaw of the raw material, besides, we marked every different piece of materials before transferred to the warehouse.


2. In strict accordance with the ISO2009:2008 international standards for production. Carefully control every step of the production of DTH hammer, complete each of the production process, the production process is including banking, forging, pre-treatment, rough turning, fine turning, heat treatment and carburizing, quenching, tempering, double heat treatment, then storage. Each working procedure was full inspected, after the qualification, then move to next working procedure, which to ensure the 100% qualified rate.


3. Re-inspect all key working procedure, mainly through the visual inspection and sampling observation, then, numbered, packing and arrange the shipment.


6. After Services:

1. Our sales team will response for your question within 24 hours (Holidays Excluded)

2. Technical Support will be available in any time

3. Free replacement of DTH hammer will provide once the failure confirmed caused by our product quality

Inquiry