DHD340 105mm, 110mm, 115mm, 127mm DTH Button Drill Bits
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Model: epiroc DTH Hammer Bit
Item: Down The Hole Drilling, DTH Drilling
Buttons: Tungsten Carbide Buttons
Machine: Down The Hole Drilling Tools
Name: Down The Hole Button Bits
Supplier: China Down-The-Hole Drill
China: China Down Hole Tools
Model No: Conventional Hammers & Bits
Hammer: atlas copco Hammer Bits
Tools: DTH Hammer and Bits
DOWN-THE-HOLE BITS
Roschen DTH drill bits are fitted with our cemented carbide inserts, which provide you with superior life and drilling productivity.
The Roschen DTH button bit designs are well known and extensively used around the world. Whatever conditions you're dealing with, our drill bits make the job easier. They are fitted with Roschen's proprietary cemented carbide buttons, which are designed to drill further. The drill bit bodies are made from precision hardened nickel molybdenum steel, with a compound curve shape for faster and smoother cutting and easier removal of cuttings.
The bits in the new range have an optimized head length with maximized steel support for the cemented carbide buttons, deep face grooves for excellent flushing and an aggressive cutting structure.
Advantages:
1. Proprietary superior tungsten carbide ensures high quality and performance
2. Carbide grade options for long life in challenging applications
3. Face designs to maximize penetration rate and tool life
4. Optimized flushing designs to aid in cuttings removal and reduce wear
Product specifications:
| For 4" hammer |
Bit Dia. |
No. |
Gauge |
Front |
Weight |
Part No. |
| DTH bits shankr |
mm |
inch |
Air Holes |
Buttons |
Buttons |
(Kg) |
| DHD340A/ COP44 |
105 |
4 1/8" |
2 |
6×φ14 |
5×φ13 |
9 |
DHD340-105 |
| 110 |
4 1/4" |
2 |
7×φ13 |
6×φ13 |
9.3 |
DHD340-110 |
| 115 |
4 1/2" |
2 |
7×φ14 |
6×φ13 |
10 |
DHD340-115 |
| 120 |
4 3/4" |
2 |
8×φ14 |
6×φ14 |
11 |
DHD340-120 |
| 127 |
5 |
2 |
8×φ14 |
7×φ14 |
12 |
DHD340-127 |
| SD4 |
105 |
4 1/8" |
2 |
6×φ14 |
5×φ13 |
9 |
SD4-105 |
| 110 |
4 1/4" |
2 |
7×φ13 |
6×φ13 |
9.5 |
SD4-110 |
| 115 |
4 1/2" |
2 |
7×φ14 |
6×φ13 |
9.8 |
SD4-115 |
| 120 |
4 3/4" |
2 |
8×φ14 |
6×φ14 |
11.5 |
SD4-120 |
| 127 |
5 |
2 |
8×φ14 |
7×φ14 |
12.3 |
SD4-127 |
| QL40 |
105 |
4 1/8" |
2 |
6×φ14 |
5×φ13 |
9 |
QL40-105 |
| 110 |
4 1/4" |
2 |
7×φ13 |
6×φ13 |
9.2 |
QL40-110 |
| 115 |
4 1/2" |
2 |
7×φ14 |
6×φ13 |
9.5 |
QL40-115 |
| 120 |
4 3/4" |
2 |
8×φ14 |
6×φ14 |
10.3 |
QL40-120 |
| 127 |
5 |
2 |
8×φ14 |
7×φ14 |
11.5 |
QL40-127 |
| Mission 40 |
105 |
4 1/8" |
2 |
6×φ14 |
5×φ13 |
6 |
M40-105 |
| 110 |
4 1/4" |
2 |
7×φ13 |
6×φ13 |
6.2 |
M40-110 |
| 115 |
4 1/2" |
2 |
7×φ14 |
6×φ13 |
6.6 |
M40-115 |
| 120 |
4 3/4" |
2 |
8×φ14 |
6×φ14 |
7 |
M40-120 |
| 127 |
5 |
2 |
8×φ14 |
7×φ14 |
7.4 |
M40-127 |
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: |
| API, 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
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.
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