down the hole drilling bit
Features of DTH hammer and bits
1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner
structure of GM series DTH hammer designed according to newest rock drilling theory.
2. Smooth performance and long service life of HD series DTH hammer due to high quality alloy steel materials
and advanced processing technology adapted.
3. Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble
inner structure of hammer.
4. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.
5. Interchangeable with DTH bit and drill pipe
Use
for open-pit mining, quarry, hydropower engineering, well drilling and excavation side column support, etc.
Working pressure : 0.5~0.7Mpa ( Low pressure)
Drill diameter range : 65mm ~253mm
Design
Face |
Button |
Applications |
Concave face | Parabolic | 1. Straight hole application, fastpenetration. 2. Suited forsoft to medium rock. 3. Non abrasive. |
Spherical |
1.Straight hole application, wearing resistance good. 2. Abrasive. | |
Semi-ballistic | 1. Soft to medium-hard 2. Fissured rock information | |
Convex face | Parabolic | 1. Fast penetration. 2. Suited for so ft rock. 3. Non abrasive. |
Flat face | Spherical | 1. Wearing resistance good. 2. Suited for hard rock. 3. Abrasive. |
Semi-ballistic | 1. Soft to medium-hard 2. Fissured rock information |
Product Pictures
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
About Us:
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.
Factory Pictures
If you have any question about our product,please feel free contact us.
Thanks in advance
Angelina
