Bit bottom hole (crown), COP 32 / 31/2 - 90 mm Down The Hole
drilling
Cop32 115mm Button Bits for Blast Hole Drilling,
COP 32 115mm Button Bits for Blast Hole Drilling,
DTH hammer, Atlas Copco COP 44 hammer including a bit, for
limestone
Roschen's DTH bits, Down The Hole drilling bit, DTH button bits,
DTH hammer bits are used for mining, construction, water well,
oil/gas drilling etc.
All products are compatible with many products manufactured by
Atlas Copco, Mincon etc, all our products are widely used in
mining, tunneling, quarrying, construction, and civil engineering
project. DTH Hammer, DTH Bit, DTH Drill Rig manufacturers and
suppliers in China, offering HD55 Flat Face Bit, HD45 Flat Face
Bit, HD 35 Flat Face Bit and so on.
- 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.
Bit face shape selection:
1. Drop Center Bit
2. Concave Face
3. Convex Face
4. Double Gauge Face
5. Flat Face Bit
Carbide button shape selection:
1. Domed/Round Button
2. Parabolic/Semi-Ballistic Buttons
3. Ballistic Button
4. Sharp Button
5. Flat Button
Product specifications: Cop32 Series DTH button bit:
| For 3" hammer | Bit Dia. | No. Air Holes | Gauge | Front | Weight |
| DTH bits shank | mm | inch | Buttons | Buttons | (Kg) |
| COP32 | 85 | 3 11/32" | 2 | 6×φ13 | 4×φ12 | 4.2 |
| 90 | 3 1/2" | 2 | 6×φ14 | 4×φ12 | 4.5 |
| 95 | 3 3/4" | 2 | 6×φ14 | 4×φ13 | 4.7 |
| 100 | 3 7/8" | 2 | 8×φ12 | 6×φ12 | 5 |
| 105 | 4 1/8" | 2 | 8×φ13 | 6×φ12 | 5.3 |
| BR3 | 85 | 3 11/32" | 2 | 6×φ13 | 4×φ12 | 3.8 |
| 90 | 3 1/2" | 2 | 6×φ14 | 4×φ12 | 4 |
| 95 | 3 3/4" | 2 | 6×φ14 | 4×φ13 | 4.3 |
| 100 | 3 7/8" | 2 | 8×φ12 | 6×φ12 | 4.8 |
| 105 | 4 1/8" | 2 | 8×φ13 | 6×φ12 | 5.2 |
| DHD3.5/COP34 | 85 | 3 11/32" | 2 | 6×φ13 | 4×φ12 | 4.2 |
| 90 | 3 1/2" | 2 | 6×φ14 | 4×φ12 | 4.5 |
| 95 | 3 3/4" | 2 | 6×φ14 | 4×φ13 | 4.8 |
| 100 | 3 7/8" | 2 | 8×φ12 | 6×φ12 | 5 |
| 105 | 4 1/8" | 2 | 8×φ13 | 6×φ12 | 5.5 |
| QL30 | 85 | 3 11/32" | 2 | 6×φ13 | 4×φ12 | 4.5 |
| 90 | 3 1/2" | 2 | 6×φ14 | 4×φ12 | 4.7 |
| 95 | 3 3/4" | 2 | 6×φ14 | 4×φ13 | 4.9 |
| 100 | 3 7/8" | 2 | 8×φ12 | 6×φ12 | 5 |
| 105 | 4 1/8" | 2 | 8×φ13 | 6×φ12 | 5.5 |
| 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. |
Shank can be available:
1) Dia. 64mm-70mm shank Bulroc BR1
2) Dia. 70mm-95mm shank Halco MACH20, Bulroc BR2
3) Dia. 90mm-102mm shank COP32, COP34, Halco MACH303, M30, DHD3.5,
Bulroc BR3
4) Dia. 105mm-152mm shank COP44, DHD340, Halco MACH44, SD4, M40,
QL40, Bulroc BR4
5) Dia. 135mm-165mm shank COP54, DHD350R, COP54, Halco MACH50, SD5,
M50, QL50, Bulroc BR5
6) Dia. 152mm-254mm shank COP64, DHD360, SD6, M60, QL60, Bulroc BR6
7) Dia. 203mm-330mm shank COP84, DHD380, SD8, QL80
8) Dia. 254mm-380mm shank SD10, Numa100
9) Dia. 305mm-508mm shank DHD1120, SD12, N120, N125
10) Dia. 405mm-864mm shank SD15, SD18
11) VKP80, VKP95, CIR90, CIR100, CIR110, CIR150, CIR200...
We also provide related products DTH hammers, ODEX system,
symmetrix systems, slide block drilling systems, etc and DTH
drilling pipes for various thread API REG, API IF, BECO, etc.
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
