Contact Us

Contact: Dr.Robert Roschen

Tel: +86-21-54994419

Mobile: +8613764195009

Whatsapp: +8613764195009

Email: roschen@roschen.com

Web: www.roscenmining.com

High Air Pressure Down The Hole Drilling Without Foot Valve

ROSCHEN offers a comprehensive range of high performance DTH hammers, DTH hammer bits, and accessories for use in the mining, construction, geothermal, and rotary drilling industries. DTH hammers are available in sizes from 2" to 20", which can compete Mincon, Boart Longyear , Drill King, Rockmore, Atlas Copco, and more in global market, basis on the quality grade. DTH hammer bits are available in sizes from 2" to 36", with all shanks, multiple head/face designs, and with a variety of tungsten carbide button styles to suit a wide variety of drilling conditions.

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  • Product Details

 

High Air Pressure DTH Drill Button Bits without foot valve QL30/40/50/60


High Air Pressure DTH Drill Button Bits without foot valve Down The Hole Geothermal Drilling

 

 

ROSCHEN offers a comprehensive range of high performance DTH hammers, DTH hammer bits, and accessories for use in the mining, construction, geothermal, and rotary drilling industries.
 

DTH hammers are available in sizes from 2" to 20", which can compete Mincon, Boart Longyear

, Drill King, Rockmore, Atlas Copco, and more in global market, basis on the quality grade.

DTH hammer bits are available in sizes from 2" to 36", with all shanks, multiple head/face designs, and with a variety of tungsten carbide button styles to suit a wide variety of drilling conditions.
 

DTH accessories, including hammer oil and lube, grinding and sharpening tools, adapter, subs, shock absorbers, and more, are available to complement our DTH product offering.
 

Explore the subcategories below, view our online DTH Catalog, or contact your ROSCHEN representative to learn more about our complete DTH Hammer and Hammer Bit product offering.



DTH Hammers
 

DTH Hammers & Bits
 

Choosing the right hammer is largely determined by the hole size and type of rock formation. Ideally, the size of the hammer should match the required hole dimension as closely as possible, leaving just enough space for cuttings to evacuate the hole.
 

ROSCHEN offers a wide range of world class quality grade, versatile DTH hammers on worldwide. Hammers are available for down hole and blast hole applications and use in nearly all ground conditions. HDD and Reverse Circulation hammers are also available on request.
 

Most DTH hammers are designed for use with the industry’s most common bit shank types. This allows for the use of one bit on multiple hammers.
 

Explore our DTH Hammer offering by clicking on a subcategory below, or contact your ROSCHEN representative for additional details.


 

ROSCHEN DTH Bits Specifications
Hammer Size Bits diameter Shank ROSCHEN CODE
Metric Inch
1" 64mm-70mm 2 1/2"-2 3/4" BR1 ROS 11
2" 70mm-95mm 2 3/4"-3 3/4" MACH20/BR2 ROS 22
3" 90mm-102mm 3 1/2"-4" COP32/COP34/MACH303 ROS 32
M30/DHD3.5/BR3 ROS 34
4" 105mm-152mm 4 1/8"-6" COP44/DHD340/MACH44 ROS 42
SD4/M40/QL40 ROS 44
5" 133mm-165mm 5 1/4"-6 1/2" COP54/DHD350R/MACH50 ROS 52
SD5/M50/QL50/BR5 ROS 54
6" 152mm-254mm 4 1/8"-10" COP64/DHD360/SD6 ROS 62
M60/QL60/Bulroc BR6 ROS 64
8" 203mm-330mm 8"-13" COP84/DHD380/SD8 ROS 82
QL80/M80/M85 ROS 84
10" 254mm-380mm 10"-15" SD10 ROS 100
NUMA100
12" 305mm-508mm 12"-20" DHD1120/SD12 ROS 120
NUMA120/NUMA125
Notes: Any special size of DTH bits will be available by requests.
Metzke, Remet thread is available!



 

ROSCHEN DTH Hammers Specifications
Hammer Size Bit Shank ROSCHEN Code Connection Thread Suitable bit Working pressure Air consumption
2" BR2 ROS 11 ROS 22 RD50 box ¢70-¢90mm 0.7-1.75Mpa 0.7Mpa 4.5m3/min
1.0Mpa 4m3/min
1.4Mpa 5m3/min
3" DHD3.5 ROS 32 API 2 3/8" Reg ¢90-¢110mm 1.0-1.5Mpa 1.0Mpa 4.5m3/min
COP32/COP34
M30 1.5Mpa 9m3/min
4" DHD340 ROS 34 API 2 3/8" Reg ¢110-¢135mm 1.0-2.5Mpa 1.0Mpa 6m3/min
COP44
QL40
SD4 1.8Mpa 10m3/min
M40 2.4Mpa 15m3/min
5" DHD350 ROS 52 ROS 54 API 2 3/8"Reg/API 3 1/2" Reg ¢135-¢155mm 1.0-2.5Mpa 1.0Mpa 9m3/min
COP54
QL50
SD5 1.8Mpa 15m3/min
M50 2.4Mpa 23m3/min
6" DHD360 ROS 62 ROS 64 API 3 1/2" Reg ¢155-¢190mm 1.0-2.5Mpa 1.0Mpa 10m3/min
COP64
QL60
SD6 1.8Mpa 20m3/min
M60 2.4Mpa 28.5m3/min
8" DHD380 ROS 82 ROS 84 API 4 1/2" Reg ¢195-¢254mm 1.0-2.5Mpa 1.0Mpa 15m3/min
COP84
QL80 1.8Mpa 26m3/min
SD8 2.4Mpa 34m3/min
M80/M85
10" SD10 ROS 100 API 6 5/8" Reg ¢254-¢311mm 1.0-2.5Mpa 1.0Mpa 22m3/min
Numa100 1.8Mpa 40m3/min
ROS 100 2.4Mpa 55m3/min
12" DHD1120 ROS 120 API 6 5/8" Reg ¢305-¢445mm 1.0-2.5Mpa 1.0Mpa 30m3/min
SD12 1.8Mpa 56m3/min
Numa120 2.4Mpa 78m3/min
Notes: Any special size of DTH bits will be available by requests.
Metzke, Remet thread is available!






 

FAQ  

 

Terms & Conditions of Ordering:

 

Quality warranty:

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

 

Package:

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

 

Production time:

Generally need 15-25 days

 

Transportation:

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

 


 

1. Methods of Payment:

T/T (Telegraphic Transfer) or Western Union or L/C at sight

 

2. Handling time for an order

Based on order quantity, normally it takes 20 days for production.

in 3 working days after receiving the advance payment

 

3. Shipping way

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 Control

We have our own experienced QC.

There will be strict inspection and testing for every order before shipping out.

 

5. After Services:

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

b. Technical Support will be available in any time

 

6. Quality & Service:

A. There will be strict inspection and testing for every order before shipping out.

B. Our sales team and Technical Support will response for your question within 24 hours through skype: ROSCHEN.TOOL and WhatsApp/Wechat: +86-13764195009

C. Free replacement will provide once the failure confirmed caused or our product quality.
 


 

 

For more information, please contact:

 

 

 

ROSCHEN INC.

ROSCHEN GROUP LIMITED

ROSCHEN HOLDINGS LIMITED

 

Skype: ROSCHEN.TOOL , ROSCHEN_GROUP

 

WeChat: +86-137 6419 5009 ; +86-135 8585 5390

 

WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390

 

Email: roschen@roschen.com ; roschen@roschen.net

 

Website: http://www.roschen.com ; http://www.roschen.net

 

http://www.roschen.cn ; http://www.roschendrill.com
 

http://www.roschenmining.com ; http://www.roschendrilling.com
 

http://www.roschengroup.com

 

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