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Down The Hole DTH Hammer

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DTH hammers are available in sizes from 2" to 20" for Down The Hole hammer bits are available in sizes from 2" to 36", with all shanks, multiple face, and with a variety of tungsten carbide button styles to suit a wide variety of drilling conditions and rock formation.
  • 3inch, 4inch, 5inch, 6inch, 8inch, 10inch, 12inch
  • Kingkong Drills
  • Down The Hole DTH Hammer
  • Down The Hole Hammers

Kingkong Drill offers a wide range of quality, versatile DTH hammers to interchangeable, or replace a number of leading industry manufacturers. Hammers are available for down hole and blast hole, water well, gas, mining  applications and use in nearly all ground conditions. Most DTH hammers are designed for use with the industry's most common rock drill bits shank types such as DHD, QL, Cop, Mission, SD, Numa, BR.

Low Air Pressure DTH hammers:

1.CIR series Low air pressure DTH hammer includes: CIR55, CIR65, CIR70, CIR80, CIR 90, CIR110, CIR110W, CIR150, CIR170, CIR200W etc.

2.J series Low air pressure DTH hammer includes: J60C, J70C, J80B, J100B, J150B, J170B, J200B

R.C.(Reverse Circulation) hammmers:

1.R.C. hammers includes:RC45,RC55,RC65,PR52 etc.

High air pressure DTH hammer:

1.High air pressure DTH hammer size from 3" to 12"(76mm-304mm)

2.Shank types including COP, QL,DHD, MISSION,HD,IR, SD,TD, etc.

3.Connect Thread : API 2 3/8" , API 3 1/2 , Reg-6 5/8"Reg etc.

DTH Hammer Advatages

1. Fast drilling speed and low air consumption  due to the special inner structure.

2. Smooth performance and long service 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

Specification of Down The Hole Hammers





 diameter (mm)

Connection thread Hole rang (mm) Impact rate


 rotation speed

Low air pressure DTH hammer CIR type 5 ~22 50~180 CIR 55~200 820 rpm
Middle air pressure BR & COP type 10~30 70~110

3 inch DTH hammer  
COP34/QL30 etc
24.5 81 API 2 3/8” Reg 90~110 28Hz (at 17 bar) 28 r/min
4 inch DTH hammer
COP44/DHD340 etc
39.2 99 API 2 3/8” Reg 110~150 27Hz (at 17 bar) 25~40 r/min
5 inch DTH hammer
COP54/Mission50 etc
71.5 125 API 2 3/8” or API 3 1/2” Reg 135~165 25Hz (at 17 bar) 20~30 r/min
6 inch DTH hammer
COP64/QL60 etc
98 142 API 3 1/2” Reg 152~216 23Hz (at 17 bar) 15~25 r/min

8 inch DTH hammer 

COP84/SD8 etc

188 180 API 4 1/2” Reg 203~305 20Hz (at 17 bar) 15~20 r/min

DTH hammer1DTH hammer4DTH hammer3

DTH hammer2

Applications for DTH Drilling Hammer

  • Blast hole

  • Underground mining

  • Environmental

  • Exploration

  • Construction

  • Applications where limited supplies of air available

For more details please contact 

Amy Zhang 

Product Inquiry

Quick Links

Get in touch

     WhatsApp/Wechat:   +8618537121208
    No. 41, Ping An Rd, CBD, Zhengzhou, Henan Province, 
P.R.China 450000
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