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Address: 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
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DHD Cop SD QL Mission Down The Hole DTH Button Bit
DHD COP SD QL Mission Down The Hole DTH Button Bit for Hard
Rock Down The Hole Drilling
DTH Hammers & Bits
ROSCHEN offers a comprehensive range of WORLD CLASS quality grade
DTH bits in global market, which were use in all rock types and
drilling conditions. Bit life and rate of penetration are the most
important criteria in selecting the right bit for a particular
application.
DTH bits are available in sizes from 2" to 36". Bits come in three different standard bit head/face designs (Convex, Flat Face, and Concave), and with a number of tungsten carbide insert options, to guarantee a DTH drill bit that can tackle any challenge and rock-face formation. Additional bit head designs and custom options are available depending upon manufacturer.
Explore the subcategories below, view our online catalogs, or
contact your ROSCHEN representative to learn more about our
complete DTH Bit product offering.
What is our Down The Hole (DTH) Drilling Tools?
Down The Hole (DTH) Drilling Tools A wide range of products, including DTH Bits, DTH Hammer, DTH Drill Tube, ODEX & RC Drill Tools, Down The Hole (DTH) Drilling Spare Parts, Diamond Grinding Cups/Pins for Button Bits Sharpening. Down-the-hole rock tools (drilling tools) are rock drilling equipment which takes compressed air as power source to partially transfer impact power into drilling holes. An air distributing device in a top hammer controls a piston to move back and forth. An impact device arranged in the front of the top hammer transfers the impact powder to a down-the-hole bit to crush rocks. Our product range covers the most diverse applications in mining, natural resources exploration, water wells, quarries and civil works.
| 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! | |||||||
Why buy our down the hole (DTH) drilling bit?
1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to inner structure of HD series DTH hammer designed according to newest rock drilling theory.
2. Smooth performance and long service life of HD series DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.
3. Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble inner structure of hammer.
4. Easy to depart bit from hammer due to multi-head thread connecting chuck and cylinder
of hammer.
5. Interchangeable with DTH bit and dill pipe manufactured by Atlas copco and Ingersoll-rand series.
6. Our DTH drill bits are made from quality tungsten carbide steels and machined precisely to manufacture a perfect body. And then the buttons are heat-treated to the right hardness and each bit is finally fitted with required shape and sized buttons.
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; Not satisfied with a refund.
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
