Waterwell / Blasting Hole Drilling DHD340 COP44 DTH Hammers
1 set
Waterwell / Blasting Hole Drilling DHD340 COP44 DTH Hammers
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Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: DHD340 115 120mm
High Light:

COP44 DTH Hammers


DHD340 DTH Hammers


COP44 borewell drilling hammers

Payment & Shipping Terms
Packaging Details: wooden box
Supply Ability: 100000 sets
Model: DHD340 DTH Hammer
Series: DHD 340 DTH Hammer Bits
Series No: DTH Bits
Type: DTH Hammer
Model Type: Down The Hole Mining Rock Drilling Tools DHD340 DTH Hammer DHD 340
Use: Ore Mining
Application: Mining For Rock Drilling
Usage: DTH Drilling
Working Pressure: 8-30bar
Length: 881mm
Product Description


DHD340 COP44 DTH Hammers for Waterwell / Blasting Hole Drilling


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.


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


4" DTH hammer specifications
Model: DHD340, COP44, SD4, M40, QL40
Description DHD340 SD4 M40 QL40
Length(less bit) 1030mm 1084mm 1005mm 1097mm
Weight (less bit) 39kg 40.5kg 40.0kg 41.00kg
External diameter 99mm 99mm 99mm 99mm
Bits shank DHD340 SD4 Misson40 QL40
Bits diameter 105-130mm 105-130mm 105-130mm 105-130mm
4 1/8" - 5 1/8" 4 1/8" - 5 1/8" 4 1/8" - 5 1/8" 4 1/8" - 5 1/8"
Connection thread API 2 3/8" Reg API 2 3/8" Reg API 2 3/8" Reg API 2 3/8" Reg
Air pressure 1.0-2.5Mpa 1.0-2.5Mpa 1.0-2.5Mpa 1.0-2.5Mpa


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.

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.

Waterwell / Blasting Hole Drilling DHD340 COP44 DTH Hammers 0

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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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