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.
Down The Hole DTH Hammer Bits for Rotary Drilling Industries
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, Halco, 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.
DTH Bits
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.
| 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! | |||||||
Shank can be available:
1) Diameter 64mm-70mm shank Bulroc BR1
2) Diameter 70mm-95mm shank Halco MACH20, Bulroc BR2
3) Diameter 90mm-102mm shank COP32, COP34, Halco MACH303, M30, DHD3.5, Bulroc BR3
4) Diameter 105mm-152mm shank COP44, DHD340, Halco MACH44, SD4, M40, QL40, Bulroc BR4
5) Diameter 135mm-165mm shank COP54, DHD350R, COP54, Halco MACH50, SD5, M50, QL50, Bulroc BR5
6) Diameter 152mm-254mm shank COP64, DHD360, SD6, M60, QL60, Bulroc BR6
7) Diameter 203mm-330mm shank COP84, DHD380, SD8, QL80
8) Diameter 254mm-380mm shank SD10, Numa100
9) Diameter 305mm-508mm shank DHD1120, SD12, N120, N125
10) Diameter 405mm-864mm shank SD15, SD18
11) VKP80, VKP95, CIR90, CIR100, CIR110, CIR150, CIR200...
We can also provide related products DTH hammers, ODEX system, symmetric systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc.
DTH Button Bits:
Feature:
1. Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 MPa to 260 MPa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
2. Recommended for eliminating hole deviation
3. Widely used drifting and tunneling
4. Bit face design is ideal for medium-hard to hard abrasive rock
Shank can be available:
R25/R32 button bits: From 41mm to 115mm
T38/R38 button bits: From 57mm to 89mm
T45 button bits: From 70mm to 105mm
T51 button bits: From 89mm to 127mm
ST58 button bits: From 89mm to 127mm
GT60 button bits: From 102mm to 152mm
EL68 button bits: From 115mm to 152mm
ST68 button bits: From 115mm to 152mm
Buttons shape: Domed, spherical, parabolic (semi-ballistic), ballistic
Face shape: Flat face, drop center, uni-face;
Skirt type: Normal, retract, straight retract face
Contact Us:
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
