ROSCHEN GROUP
Quality Changes The World!
Add to Cart
High / Low Air Pressure Down Hole Hammer , COP 32 90 Dth Drilling Tools
Dth Drilling Tools Applications
Dth Drilling Tools is short for Down The Hole hammer bit. Our DTH bits use quality raw material and heat treatment to manufacture. Due to the feature of wear-resistant and impact toughness, our DTH hammer button bit is widely used in mining, water well drilling, and rock drilling.
Dth Drilling Tools 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
Cop32 Series Dth Drilling Tools Parameters :
| 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. | ||||
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.