High Efficiency Down The Hole Hammer Bits CIR 90 Rock Drill Bits
What is Low air pressure DTH hammer ?
Low air pressure DTH hammer is widely used in geotechnical engineering in a variety of hard, high hardness and other toughness can be poor tough rock, the following characteristics:
1. Low air pressure DTH hammer is a valve-type center exhaust hammer, the discharge of rock powder effect is good, reducing the re-broken rock slag, reducing the wear of the drill, improve the drilling efficiency.
2. Using the latest rock design theory to design the hammer of the internal structure of the size of the hammer to obtain the ideal energy transfer, a single hammer power, drilling faster, lower air consumption.
3. Selection of the highest quality raw materials and the most advanced processing technology, more stable performance, longer life.
4. Easy disassembly, low failure, easy maintenance.
The application of Low air pressure DTH Hammer:
Mining, quarrying, road construction and other projects drilling blasting hole, landslide protection, dam reinforcement, anchoring and other engineering holes, geothermal air conditioning, hydrology, wells and other fields.
CIR90 Low Air Pressure DTH Bit Specification:
| Diameter | Buttons and Size (mm) | Flushing hole | Weight | Part Number |
| mm | inch | Front | Gauge | kg |
| CIR90 Ballistic button/Convex face |
| 90 | 3 1/2 | 2×13,2×12 | 6×14 | 2 | 3.5 | 4148301213 |
| 93 | 3 5/8 | 2×13,2×12 | 6×14 | 2 | 3.6 | 4148301214 |
| 95 | 3 3/4 | 2×14,2×12 | 6×14 | 2 | 3.7 | 4148301215 |
| CIR90 Spherical button/Flat face |
| 90 | 3 1/2 | 4×12 | 6×14 | 3 | 3.5 | 4148301216 |
| 93 | 3 5/8 | 4×12 | 6×14 | 3 | 3.6 | 4148301217 |
| 95 | 3 3/4 | 4×12 | 6×14 | 3 | 3.7 | 4148301218 |
About us
MIROC® Rock Drilling Tools are Rock Drilling Tools Brand by KSQ Tecnologies (Beijing) Co. Ltd.
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, production, and application. The company has adopted advanced manufacturing processes to ensure high quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand clients’ drilling needs, and have the service skills to recommend the right drilling tools for the job. Its experienced product developers can also create custom tools. Furthermore, the company’s development team introduces innovative products each year – tools that are rigorously tested in the field and proven
to perform beyond industry expectations.
MIROC® Rock Drilling and Ground Support Tools include:
Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers
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