Diamond DTH Drill Bit
When drilling in hard rock like granite or basalt, regular DTH bits wear out fast. This leads to more downtime and higher costs.
Our Diamond DTH Drill Bit is made for hard and abrasive rock. We embed industrial-grade diamonds into the crown. As a result, it cuts faster and lasts much longer.
Therefore, whether you work in mining, construction, geothermal, or water well drilling, this bit helps you drill more with less cost. In fact, it delivers up to 6 times longer life than standard bits.
Product Overview
The Diamond DTH Drill Bit combines:
- Industrial-grade diamond cutting elements
- Optimized crown structure
- High-strength alloy steel body
- Precision air hole configuration
The diamond-reinforced crown greatly improves wear resistance and impact strength. Consequently, it ensures stable performance even under extreme down-the-hole hammer conditions.
Moreover, its optimized design enhances:
Why Choose Diamond DTH Drill Bits?
1️⃣ 6X Longer Service Life
Compared with standard DTH bits, the diamond-enhanced structure lasts more than 6 times longer in hard rock. Therefore, you get:
- Fewer bit changes
- Less downtime
- Fewer operational stops
2️⃣ 30% Lower Overall Tool Cost
Although the price may be higher upfront, the longer life greatly lowers:
- Cost per meter drilled
- Labor for replacements
- Machine idle time
As a result, total operating cost drops by over 30%.
3️⃣ 20% Higher Drilling Efficiency
The improved crown structure breaks rock more effectively. This delivers:
- Faster penetration
- Better energy transfer
- Less vibration
In short, you drill more meters per shift.
4️⃣ Improved Borehole Quality
The precise button layout and crown design ensure:
- Better hole straightness
- Less deviation
- Consistent diameter
This is vital for foundation work, geothermal wells, and mining blast holes.
5️⃣ Reduced Labor Intensity
Longer bit life means fewer tool changes. Consequently, workers face less physical strain and safer working conditions.
Available Sizes & Shank Compatibility
We offer a full range of diameters that fit most DTH hammer systems.
| Diameter (mm) | Air Holes | Gauge Buttons | Front Buttons | Shank Style |
|---|---|---|---|---|
| 90 | 2 | 6×φ14 | 4×φ12 | COP34 / COP32 / DHD3.5 / BR3 / Mach303 |
| 95 | 2 | 6×φ14 | 5×φ12 | — |
| 100 | 2 | 6×φ14 | 6×φ12 | — |
| 105 | 2 | 8×φ13 | 6×φ12 | — |
| 110 | 2 | 7×φ14 | 6×φ13 | COP44 / DHD340 / Mach44 / SD4 / QL40 |
| 115 | 2 | 7×φ14 | 7×φ13 | — |
| 120 | 2 | 8×φ14 | 7×φ13 | — |
| 127 | 2 | 8×φ14 | 7×φ14 | — |
| 133 | 2 | 7×φ16 | 7×φ14 | COP54 / DHD350 / SD5 / QL50 |
| 140 | 2 | 7×φ19 | 7×φ14 | — |
| 146 | 2 | 8×φ19 | 7×φ14 | — |
| 152 | 2 | 8×φ19 | 8×φ14 | — |
| 165 | 2 | 8×φ19 | 8×φ16 | — |
| 171 | 2 | 8×φ19 | 10×φ16 | COP64 / DHD360 / SD6 / QL60 |
| 190 | 2 | 10×φ19 | 12×φ16 | — |
| 203 | 2 | 10×φ19 | 14×φ16 | — |
- ✔ Custom configurations available
- ✔ Button distribution adjustable
- ✔ Crown design customization supported
- ✔ OEM production available
Ideal Applications
⛏️ Mining Industry
Efficient hard rock breaking for ore extraction and blast hole drilling.
🏗️ Construction & Infrastructure
Foundation drilling for high-rise buildings, bridges, and tunnels.
🌋 Geothermal Energy
Deep drilling in high-temperature, abrasive volcanic formations.
💧 Water Well Drilling
Reliable performance in challenging rock layers.
Our Manufacturing Excellence
From precision machining to final quality control — every diamond DTH bit is built in our ISO 9001 certified facility.
Quality & Manufacturing Assurance
- ✓ Manufactured under strict quality control
- ✓ High-grade alloy steel body
- ✓ Precision machining and button embedding
- ✓ Performance-tested before shipment
Standard production lead time: 15–20 working days (depending on order quantity).
For urgent projects, please contact our team for scheduling confirmation.
Reduce Downtime. Drill Deeper. Lower Your Cost Per Meter.
In hard rock drilling, bit durability decides project success.
Our Diamond DTH Drill Bit is a performance upgrade that helps you:
Explore Our Full Range of Drilling Tools
From surface to downhole, we offer a complete lineup of high-performance drill bits and accessories engineered for every formation and application.
PDC Non-Coring Drill Bit
Fast penetration in soft to medium formations without core recovery.
PDC Exploration Core Drill Bit
High core recovery and durability in exploration drilling.
Hot-Pressed Diamond Drill Bit
Ideal for very hard and abrasive rock formations.
Electroplated Diamond Drill Bit
Excellent for non-ferrous materials and precision drilling.
Tricone Rock Drill Bit
Rolling cone bits for a wide range of formations.
Alloy Scraper Drill Bit
Effective in soft and sticky formations.
Pick Cutter Bit
Heavy-duty cutting for mining and trenching.
DTH Hammer
High-frequency impact for deep hole drilling.
Custom Drill Bit
Tailor-made solutions for your specific project.
Drilling Rigs and Accessories
Complete drilling systems and support equipment.
Click any product to learn more and request a quote.
