DTH hammers are used for blast hole drilling and water well drilling project.
Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining,
Marble quarry or well drilling and other construction projects.
95% similarity to COP/SD/MISSION/QL/BR/DHD etc famous brand
No requirement for testing and trial order
COP/ SD/ DHD/ IR/ Mission/ QL/ BR/ CIR etc
Specification of down the hole drill hammer dth
External Diameter (mm)
Hole rang (mm)
Recommended rotation speed
Low air pressure DTH hammer CIR type
Middle air pressure BR & COP type
3 inch DTH hammer
API 2 3/8” Reg
28Hz (at 17 bar)
4 inch DTH hammer
API 2 3/8” Reg
27Hz (at 17 bar)
5 inch DTH hammer
API 2 3/8” or API 3 1/2” Reg
25Hz (at 17 bar)
6 inch DTH hammer
API 3 1/2” Reg
23Hz (at 17 bar)
8 inch DTH hammer
API 4 1/2” Reg
20Hz (at 17 bar)
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time
3. Free replacement will provide once the failure confirmed caused by our product quality
Fair & Clients Visit
1. Our factory has been specialized in manufacturing drilling tools and spare parts since 1980.
2. We have advanced technology and equipment.
3. Our technician has more than 25 year’s professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA,
Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.
down the hole hammer | martillo de fondo | o martelo buraco | marteau fond de trou | Imlochhammer | martello | a lyukba kalapács | alasuppovasara | síos an poll casúr | ned i hullet hammer | ned i hullet hammer
down the hole bit | por el poco agujero | baixo o bit buraco | vers le bas le bit de trou | in das Loch Bit | il bit del foro | a lyukba bit | síos an poll giotán | ned i hullet bit | ned i hullet bit