Atlas Copco DHD340 115mm 120mm Down The Hole Drilling Bit
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Atlas Copco DHD340 115mm 120mm Down The Hole Drilling Bit
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Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: DHD340 115 120mm
High Light:

120mm Down The Hole Drilling


115mm Down The Hole Drilling


DHD340 hammer drill bits

Payment & Shipping Terms
Packaging Details: wooden box
Supply Ability: 100000 pcs
Item: DHD 340 DTH Hammer Bits
Model: DHD340 Hammer
Type: DHD340 Rock Hammer
DTH Tools: High Air Pressure DTH Drilling Tools
Series: High Performance DTH Hammer DHD340 COP44
Model Series: DHD340 Mach44 DTH Hammer (4.5" - 5")
Hammer Size: Dth Bits Hammers IR3.5, COP44, COP54, DHD340
Shank Type: DHD340A Shank
Product Description


Atlas Copco Rock Drill Bits DHD340 DTH Button Bit 115mm 120mm



Roschen is specialized in designing, manufacturing and developing equipments and accessories for standard models as well as the special needs of clients and provides them with the best suggestions and solutions. We practice strict and stringent quality control during manufacturing and adhered to recognized and approved quality control systems. Each of our products follows the quality requirements and procedures to ensure finished products are durable and superior up to standard.


Prod Model: DHD340, COP44, SD4, Mission 40, QL40
Sizes: 3 Inch to 8 Inch
Bit Diameter: 4 1/8" to 5 3/8"
Length: 1030mm
Weight: 39kg
Material: High Quality Special Steel
Top Sub Thread: API 2 3/8" Reg Pin
Outer Diameter: 99mm
Air Pressure: 10-25 Bar
Product Name: DHD340 DTH Hammer


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 ROS 84
10" 254mm-380mm 10"-15" SD10 ROS 100
12" 305mm-508mm 12"-20" DHD1120/SD12 ROS 120
Any special typ shank of DTH Hammer will be available by requests.
For the DTH Hammer connections joints, API, Metzke, Remet , Fabe thread is available!


Roschen group limited is holding by Germany Robert Roschen family, who are global professional manufacturer and supplier of high performance rock drilling tools like: DTH hammers and bits, RC hammers and bits, Reverse circulation drill pipe, Tricone bit, DTH drill rods and top hammer drilling tools. Our tools are widely used in different drilling applications including mining, quarrying, water well drilling, oil/gas drilling, geotechnical industries and etc.

Atlas Copco DHD340 115mm 120mm Down The Hole Drilling Bit 0

Other shank can be available:

  1. 3.5" hammer, shank: DHD3.5 / Bulroc BR3 / COP32 / QL30 / M30 /Mach303
  2. 4" hammer, IR DHD340A / SD4 / COP44 / QL40 / Bulroc BR4 / M40 / Mach44 shank
  3. 5" hammer, IR DHD350R / SD5 / COP54 / Bulroc BR5 / QL50 / M50 /Mach50 shank
  4. 6" hammer, IR DHD360 / SD6 / COP64 / Bulroc BR6 / QL60 / M60 shank
  5. 8" hammer, IR DHD380 / SD8 / COP84 /QL80 shank
  6. 10" hammer, SD10 / Numa100 shank
  7. 12" hammer, IR DHD1120 / SD12 / Numa120 / Numa125 shank
  8. 15" hammer, SD15 shank

We can also provide related products any type of DTH Hammer, DTH button bits, RC Hammer, RC hammer bits, ODEX system, symmetric overburden systems, slide block drilling systems, DTH drilling pipes, RC Drill pipe for various thread API REG, API IF, BECO, etc.


We are dedicated to offering our customers only premium quality products and services to enable them to achieve the highest possible productivity for their business and projects. If you are looking for the best, fastest and most productive drilling tools in the world, Roschen should be your best choice and preference.

Quality warranty:

Our hammers are made of high quality steel and all spares are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Using ply-wooden cases and pallet for exporting to protect products and avoid the damagement during transportation. Also we can customize package according to your special requests.

Production time:
Generally, Production time is 15 - 20 days.

By air, By Express or By sea according to your requests.

Atlas Copco DHD340 115mm 120mm Down The Hole Drilling Bit 1

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Get in touch with us
Contact Person : Mr. Bill, George, Michael
Tel : 13764195009
Fax : 86-021-54380177
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