• Model NO.：DHD340,SD4,QL40,Cop44,M40
• 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

Basic Info.

Model NO. DHD340/SD4/QL40/Cop44/M40 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.