0731-8833 3338 Lily@csdrill.com

Mission Hammer


    >=50 Pieces
    Model Number:
    MISSION40 4" DTH Hammer
    Lead Time:
    Quantity(Pieces) 1 - 10000 >10000
    Est. Time(days) 20 To be negotiated
    Customized logo(Min. Order: 1 Pieces)
    Customized packaging(Min. Order: 1000 Pieces)
    Support Sea freight

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Product Description:


Product Description

The Characteristics Of High Air Pressure DTH Hammers Without foot valve
It is a kind of high air pressure DTH Hammer without footvalve, our newest design. It is also one of the most advanced DTH Hammers in the world.

 Advantages as follows:
1. Out of the trouble of foot valve fracture and expansion and contraction.
2. lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.
3. Simple structure, reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.

1. Smooth performance and long service life of DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.

2. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.

3. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.

4. Interchangeable with DTH bit and drill pipe.

Related Products


(without bit)

Weight  (without bit)

External Diameter

Bit Shank

Hole range

 Connection Thread






API 2 3/8"Reg

 Working Pressure

Impact rate at 1.5Mpa

Recommended rotation speed

Air consumption










Using Effects

DTH Air Hammer gives you more power down the hole, making your investment produce more in less time.

Our DTH hammer is used in  many different applications which include but are not limited to heavy construction, mining, oil and gas, quarries, and water-well.



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  •             Patent Certificate                               Quality  Certificate                 Certificate of conformity


Packing & Delivery

 Using ply-wooden cases and pallet for package to protect the products and avoid the damaging during transportation. Also we can customize package according to your special requests.

Company Introduction

     Changsha DTH Drill Construction Machinery Co., Ltd has more than 20 years of drilling tools industry since 1996. Its predecessor was the designated processing workplace of down-the-hole drilling tools of Changsha Institute of Mining Research. It is the Institute of Metal Research of the Chinese Academy of Sciences, the National Institute of Materials Research (NIMS) of Japan, and the partner of University of Queensland, Australia, the Swiss Federal Institute of Technology (EMPA).


1. Are you exact manufacturer or just trading company?
We are both,we have our own factory. And also have many long-relationship factories.

2.What is your minimum order quantity?
Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity. We are welcome your sample order to testing our

3. Can you accept OEM & ODM?
Yes, both of them are acceptable,.Please tell us your requirements or design drawings kindly.
As we have our own R&D team and the team leader is Dr.Zhao mingchun who has been always
in the material research and drawing design of drilling tools for 25 years.And he had designed
the world’s biggest top hammer bit and DTH hammer bit, highly praised by the users.

4. How about Packing
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.

5. How about the delivery time?
It depends, generally it takes about 15-25day. If have stocks, Usually only 5-10 days if in stock.

6. Can I have a visit to your factory before the order?
Sure, welcome, kindly contact us for address details and time schedule.