DTH Bit DHD340A 152
| CODE NO. |
DHD340A-152 |
| Diameter |
152mm |
| air holes |
2 |
| gauge buttons |
8*17mm |
| face buttons |
4*17mm, 4*14mm |
| face design |
concave |
| carbide design |
dome/semi-ballisic |
| approx. weight |
17.5Kgs |
Designed to match all conceivable applications for water well industries, mining and construction industries. ROSCHEN is rock drilling tools manufacturer, we has a comprehensive range of DTH hammer bits with DHD shanks type for a wide range of hole sizes.
Shank types: DHD3.5, DHD340A, DHD350R, DHD360, DHD380.
DTH rock drill bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-305mm)
Concave Face
The all around application bit face designed specifically for medium hard and homogeneous rock formations. Good hole deviation control and good flushing capacity.
Dome/Hemispherical Buttons
Universal buttons for all rock formation, best suited to hardest and very abrasive rock formation.
Semi-Ballistic/Parabolic Buttons
Excellent penetration rate, but only suited to medium hard and not so very abrasive rock formation
DHD shank DTH hammer bit with concave face, 12 dome & 4 semi-ballistic carbide buttons for blasting bore holes, water well drilling.
Down The Hole Drilling Button Bits Features
1. High and low air pressure down-the-hole drill bits
2. Low air pressure hole diameter 65-220mm
3. High air pressure hole diameter 85-305mm
4. Face type: Drop center/concave/convex/double gauge/flat
5. Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.
Total Product specifications:
For 3" hammer
DTH bits shank |
Bit Dia. |
No. Air Holes |
Guage Buttons |
Front Buttons |
Weight(kgs) |
Part No. |
| mm |
inch |
| COP32 |
85 |
3 11/32" |
2 |
6×φ13 |
4×φ12 |
4.2 |
COP32-85 |
| 90 |
3 1/2" |
2 |
6×φ14 |
4×φ12 |
4.5 |
COP32-90 |
| 95 |
3 3/4" |
2 |
6×φ14 |
4×φ13 |
4.7 |
COP32-95 |
| 100 |
3 7/8" |
2 |
8×φ12 |
6×φ12 |
5 |
COP32-100 |
| 105 |
4 1/8" |
2 |
8×φ13 |
6×φ12 |
5.3 |
COP32-105 |
| BR3 |
85 |
3 11/32" |
2 |
6×φ13 |
4×φ12 |
3.8 |
BR3-85 |
| 90 |
3 1/2" |
2 |
6×φ14 |
4×φ12 |
4 |
BR3-90 |
| 95 |
3 3/4" |
2 |
6×φ14 |
4×φ13 |
4.3 |
BR3-95 |
| 100 |
3 7/8" |
2 |
8×φ12 |
6×φ12 |
4.8 |
BR3-100 |
| 105 |
4 1/8" |
2 |
8×φ13 |
6×φ12 |
5.2 |
BR3-105 |
| DHD3.5/COP34 |
85 |
3 11/32" |
2 |
6×φ13 |
4×φ12 |
4.2 |
DHD35-85 |
| 90 |
3 1/2" |
2 |
6×φ14 |
4×φ12 |
4.5 |
DHD35-90 |
| 95 |
3 3/4" |
2 |
6×φ14 |
4×φ13 |
4.8 |
DHD35-95 |
| 100 |
3 7/8" |
2 |
8×φ12 |
6×φ12 |
5 |
DHD35-100 |
| 105 |
4 1/8" |
2 |
8×φ13 |
6×φ12 |
5.5 |
DHD35-105 |
| QL30 |
85 |
3 11/32" |
2 |
6×φ13 |
4×φ12 |
4.5 |
QL30-85 |
| 90 |
3 1/2" |
2 |
6×φ14 |
4×φ12 |
4.7 |
QL30-90 |
| 95 |
3 3/4" |
2 |
6×φ14 |
4×φ13 |
4.9 |
QL30-95 |
| 100 |
3 7/8" |
2 |
8×φ12 |
6×φ12 |
5 |
QL30-100 |
| 105 |
4 1/8" |
2 |
8×φ13 |
6×φ12 |
5.5 |
QL30-105 |
ROSCHEN hammer bit technical data:
| 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 can 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
Product photos
ROSCHEN Manufacturing workshop
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 damagement 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.
For more information, please contact:
web site: roschen.en.made-in-china.com
Audited Supplier 
){kind=link}
){kind=link}