4" High Pressure DTH Hammers

• After-sales Service: Yes
• Warranty: Yes
• Sizes: 4 Inch
• Color: as Per Requirement
• Quantity: Small Quantity Is Acceptable
• Application: Mining, Water Well Drilling, Geothermal Drilling
• Model NO.: DHD340, COP44, SD4, Mission40, QL40
• Product Name: DTH Hammer
• Advantage: High Performance and Speed
• Material: Carburized Steel
• Transport Package: Cartons + Ply-Wooden Cases for Exporting
• Specification: Grade A
• Trademark: sollroc
• Origin: Changsha, Hunan
• HS Code: 84314320
• Production Capacity: 1000PCS Per Month

Product Description

About us

We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotton good reputation from our customers all over the world, such as France, Spain, Italy, South Africa, Australia, Iran, Malaysia, etc.

4" DTH hammer specifications
Model: DHD340, COP44, SD4, M40, QL40 

	DHD340 COP44	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 COP44	SD4	Misson40	QL40
Bits diameter	105-130mm 4 1/8" - 5 1/8"	105-130mm 4 1/8" - 5 1/8"	105-130mm 4 1/8" - 5 1/8"	105-130mm 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:
3.5" hammer, shank: DHD3.5 / Bulroc BR3 / COP32 / QL30 / M30 /Mach303
4" hammer, IR DHD340A / SD4 / COP44 / QL40 / Bulroc BR4 / M40 / Mach44 shank
5" hammer, IR DHD350R / SD5 / COP54 / Bulroc BR5 / QL50 / M50 /Mach50 shank
6" hammer, IR DHD360 / SD6 / COP64 / Bulroc BR6 / QL60 / M60 shank
8" hammer, IR DHD380 / SD8 / COP84 /QL80 shank
10" hammer, SD10 / Numa100 shank
12" hammer, IR DHD1120 / SD12 / Numa120 / Numa125 shank
15" hammer, SD15 shank
We can also provide related products DTH button bits, ODEX, symmetric overburden systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc

Product photos

 

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 -25 days.

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