|DTH hammer type||MHD1120||MSD12||MHN120||MNH125|
|Length(less bit) mm||1900||1880||1900||1900|
|Weight(less bit) kg||480||487||485||480|
|External diameter mm||Φ275||Φ275||Φ275||Φ275|
|Connection thread||API 6 5/8"Reg||API 6 5/8"Reg||API 6 5/8"Reg||API 6 5/8"Reg|
|Impact rate at 1.5-1.7Mpa||16Hz||16Hz||16Hz||16Hz|
|Recommended Rotation speed||15-25r/min||15-25r/min||15-25r/min||15-25r/min|
Advantages of our dth hammer:
1. More efficient energy transfer,
2. Faster drilling speed, 15%-30% higher than others.
3. Lower air consumption and lower oil consumption. oil consumption is about 10% lower than others
4. Direct factory price.
Advantages of our dth hammer spare parts :
Valveless air distribution. More reliable.
Simple design of the piston, long life.
Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
Our warranty of dth hammers:
In the early use if the dth hammer, rupture appears on parts such as external cylinder, piston and drive chuck ect. the broken parts can be compensated according to the situation.
Dth hammer package details:
Internal package : By carton box with foam ,one pc dth hammer per carbox
External package: By wooden box, one pc dth hammer per wooden box.
Round-sealed package can prevent damaging during delivery.
Delivery ways of dth hammers:
Sample order can delivery by Air or International express, such as DHL, UPS, Fedex, ect.
Batch orders can delivery by Air , By truck or by Sea
We can choose most favorable delivery ways for our customers
Also we can offer drill rig, air compressor, dth bit, rod, ect.
The application cases of dth hammer :
Since our company has been established in 1996, we have served a number of large mining projects including blast holes, anchoring geothermal bore holes, quarring, well drilling and accumulated a wealth of practical experience.And Our DTH hammer can be used in different types of drilling machine
Strict production process
About the Company strength:
Xiamen Zhao Xing Electrical Equipment Co., Ltd. was established in 1996, with extensive experience in drilling area. We specializes in providing drilling solutions for our customers to improve efficiency and cost savings.
ZHAOXING is worth of your choice!
The information about dth drill bit 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 20 days for production.
in 3 working days after receiving the advance payment
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:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time