4" Hard Rock DTH Hammers DTH Drill Bits Carbon Steel Material For Underground Mining
4" High Air Pressure DTH Bits
DHD340A (COP44) QL40
Specifications:
| Drill Bit | Bit Diameter, mm | Number of Air Holes | Gauge Buttons | Front Buttons | Weight, kg |
| DHD340A (Cop44, HD45) | 105 | 2 | 6 x 14 | 5 x 13 | 8.5 |
| 110 | 2 | 7 x 14 | 6 x 13 | 8.8 | |
| 115 | 2 | 8 x 14 | 7 x 13 | 9.0 | |
| 120 | 2 | 8 x 14 | 8 x 13 | 9.8 | |
| 127 | 2 | 9 x 14 | 9 x 13 | 11.0 |
| Drill Bit | Bit Diameter, mm | Number of Air Holes | Gauge Buttons | Front Buttons | Weight, kg |
| QL40 | 105 | 2 | 6 x 14 | 5 x 13 | 9.0 |
| 110 | 2 | 7 x 14 | 6 x 13 | 9.2 | |
| 115 | 2 | 8 x 14 | 7 x 13 | 9.5 | |
| 120 | 2 | 8 x 14 | 8 x 13 | 10.3 | |
| 127 | 2 | 9 x 14 | 9 x 13 | 11.5 |
DTH Bits Face Design:
Flat, Convex, Concave:
Features:
1. High-grade tungsten carbide inserts
2. Bit bodies manufactured from high-grade steel and processed using state-of-the-art CNC machinery and heat treatment
3. High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance.
Application:
• Underground Mining
• Down the hole rock drilling
Our Service:
Compared with the oversea brands, our advantages are bellowing:
1. Our products can match over 95% against the original products
2. Price are competitive against the famous brands and best quality against the small factory
3. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
4. We have advanced technology and equipment.
5. Our technician has more than 20 year’s professional working experience.
6. Rock drilling tools are exported throughout the world. Main market: Norway, USA, Canada, Brazil, Uganda, Iran, Philippines, Thailand, India, etc.
Now we are looking forward to make the market bigger and stronger with your join!
We can design and manufacture the personalized products to meet your specical apllication, such as changing the tungsten carbide insert profile (spherical, ballistic, etc.), face profile (flat face, concave, convex, etc.), and flushing holes.
Package: Wooden Box; also we can follow customers' requirements.
Delivery time is around 15-25 days.
MIROC® Production:
Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Coupling Sleeves
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers
Company Information:
The MIROC® Rock Drilling Tools product line by KSQ Technologies (Beijing) Co.Ltd. is the result of years of advanced engineering, precision manufacturing, and dedication to the use of high-quality materials.
MIROC® Rock Drilling Tools are used by many drilling professionals related to mining, construction, tunneling, and quarrying projects around the globe.
We take pride in being the only manufacturers in China that has a diverse line of DTH bits that range from 3"-47"(76mm~1200mm) in diameter with most the leading hammer shanks.
Made from high quality alloy steel and advanced heat-treatment, our bits are ensured extreme protection against wear and fatigue. They're also available in four different bit-head designs - Convex, Flat, Concave and Drop center face, and four different inserts-Spherical,Ballistic,Semi-ballistic,Two-Step to tackle any challenge and rock formations.
KSQ Technologies (Beijing) Co. Ltd.
Elisa Zarovkina (Елизавета)
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.