DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products.
Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.
Five basic designs are avaliable: Convex, Flat front, Drop Center Bit, Concave, and Double Gauge Face.
These are designed for specific applications for all rock types, hardness's and conditions.
| High air pressure DTH Bits |
| DTH Drill Bit | Bit Dia.(mm) | Gauge Buttons | Front Buttons | Weight (Kg) |
| DTH335 (IR35,Cop34) | 85 | 6×Φ13 | 4×Φ12 | 4.2 |
| 90 | 6×Φ14 | 4×Φ12 | 4.5 |
| 95 | 6×Φ14 | 4×Φ13 | 4.8 |
| 100 | 8×Φ12 | 6×Φ12 | 5.0 |
| 105 | 8×Φ13 | 6×Φ12 | 5.5 |
| DTH345 (DHD340A ,Cop44) | 105 | 6×Φ14 | 5×Φ13 | 8.5 |
| 110 | 7×Φ14 | 6×Φ13 | 8.8 |
| 115 | 8×Φ14 | 7×Φ13 | 9.0 |
| 120 | 8×Φ14 | 8×Φ13 | 9.8 |
| 127 | 9×Φ14 | 9×Φ14 | 11.0 |
| DTH355 (DHD350R ,Cop54) | 133 | 7×Φ16 | 6×Φ14 | 16 |
| 140 | 8×Φ16 | 7×Φ14 | 16.5 |
| 146 | 8×Φ14 | 8×Φ14 | 17 |
| 152 | 8×Φ14 | 7×Φ16 | 17.5 |
| 165 | 8×Φ14 | 8×Φ16 | 18.5 |
| DTH365 (DHD360 ,Cop64) | 152 | 8×Φ16 | 8×Φ16 | 22.0 |
| 165 | 8×Φ18 | 8×Φ16 | 24.0 |
| 178 | 8×Φ18 | 8×Φ16 | 26.0 |
| 190 | 9×Φ18 | 9×Φ16 | 28.0 |
| 203 | 10×Φ18 | 10×Φ16 | 29.5 |
| DTH385 (DHD380 ,Cop84) | 195 | 9×Φ18 | 9×Φ18 | 34.0 |
| 203 | 10×Φ18 | 10×Φ18 | 36.0 |
| 216 | 12×Φ18 | 12×Φ18 | 45.0 |
| 254 | 12×Φ18 | 20×Φ18 | 58.0 |
| 305 | 12×Φ18 | 30×Φ18 | 75.0 |
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
