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.
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
|Connection thread||Hole rang (mm)||Impact rate|| |
|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||85~115|
|3 inch DTH hammer |
|24.5||81||API 2 3/8” Reg||90~110||28Hz (at 17 bar)||28 r/min|
|4 inch DTH hammer |
|39.2||99||API 2 3/8” Reg||110~150||27Hz (at 17 bar)||25~40 r/min|
|5 inch DTH hammer |
|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 |
|98||142||API 3 1/2” Reg||152~216||23Hz (at 17 bar)||15~25 r/min|
8 inch DTH hammer
|188||180||API 4 1/2” Reg||203~305||20Hz (at 17 bar)||15~20 r/min|
For more details please contact