Mining World Central Asia Mining and Exploration Forum For 165mm
DTH Drill Bits
Roschen corporation can design and manufacture varieties of DTH
bits according to customer's requirements of the bit diaair hole
nos.carbide button shape and the face shape. High air pressure and
low air pressure DTH drill bits are both available.
Our DTH button hammer bits are made from the best tungsten carbide
tips & special steels, after hot heat treated, the steels reach a
good level in surface compression & fatigue resistance. All of our
products are compatible with many products manufactured by Halco,
Atlas Copco, Mincon etc., all our Down the hole bits are widely
used in mining, tunneling, quarrying, construction, and civil
engineering projects.
Normally we produce three type of bit face designs: Flat face,
Convex face, Concave face. Of course, if you have any special
requirement, we could produce as per your instruction completely.
Roschen supply standard button bits:
- DHD340A, DHD350R, DHD360, DHD380;
- Cop32, Cop34, Cop44, Cop54, Cop64, Cop84;
- Mission 40, Mission 50 , Mission 60, Mission80;
- SD4, SD5, SD6, SD8;
- TD40, QL50, QL60, QL80;
- BR2, BR3.
Down-The-Hole Drilling DTH Button Bits:
1. Manufacture by requirements
2. Bit diameter, face shape
3. Carbide button shape
4. Number of air holes
DTH Button Bits Shank Type:
| Model Number: | SD4, DHD350, COP64, QL 50, Mission 80, SD12, DHD112, NUMA120,
NUMA125 |
| Other Names: | DTH Bits, DTH Button Bits, DTH Drill Bit, Atlas Copco Drill Bits,
DTH Hammers And Button Bits |
| Material: | Carbon Steel And Tungsten Carbide Buttons |
| Technology: | Heat Treatment |
| Colour: | Gold, Black, Red, Blue, Yellow |
| Bit Diameter: | 2 Inch; 3 Inch; 4 Inch; 5 Inch; 6 Inch; 8 Inch; 10 Inch; 12 Inch |
| Processing Type: | Forging |
| Application: | Drilling, Quarrying, DTH Drilling, Water Well Drilling, Oil Drill,
Construction, Foundation Drilling |
DTH Hammer Button Bits Specifications:
| Hammer inch | Bits diameter | Shank |
| Metric | Inch |
| 1" | 64mm-70mm | 2 1/2"-2 3/4" | BR1 |
| 2" | 70mm-95mm | 2 3/4"-3 3/4" | MACH20/BR2 |
| 3" | 90mm-102mm | 3 1/2"-4" | COP32/COP34/MACH303 |
| M30/DHD3.5/BR3 |
| 4" | 105mm-152mm | 4 1/8"-6" | COP44/DHD340/MACH44 |
| SD4/M40/QL40 |
| 5" | 133mm-165mm | 5 1/4"-6 1/2" | COP54/DHD350R/MACH50 |
| SD5/M50/QL50/BR5 |
| 6" | 152mm-254mm | 4 1/8"-10" | COP64/DHD360/SD6 |
| M60/QL60/Bulroc BR6 |
| 8" | 203mm-330mm | 8"-13" | COP84/DHD380/SD8 |
| QL80/M80 |
| 10" | 254mm-380mm | 10"-15" | SD10 |
| NUMA100 |
| 12" | 305mm-508mm | 12"-20" | DHD1120/SD12 |
| NUMA120/NUMA125 |
| 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: |
| Metzke, Remet thread is available! |
| Any special size of DTH bits will be available by requests. |
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
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