ROSCHEN GROUP
Quality Changes The World!
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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 |
| COP44 | ||||
| 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 |
| COP44 | ||||
| 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:
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.
Package:
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.
Transportation:
By air, By Express or By sea according to your requests.
