High-Performance Diamond Core Bits for Hard Formation Drilling
Product Introduction
Our Diamond Core Bits are engineered for extreme durability and precision in hard rock drilling applications. Designed for geological exploration, mining, construction, and geothermal drilling, these bits deliver superior penetration rates and extended service life even in the toughest granite, basalt, quartzite, and other abrasive formations.
Technical Specifications
Diamond Core Drill Bit Technical Specifications
| Diameter (mm) | Type | Suitable Formations | Recommended RPM | Core Diameter (mm) |
| Φ75 | Electroplated Diamond Bit | Medium-hard to hard rock | 800-1200 | 48 |
| Φ91 | Electroplated Diamond Bit | Medium-hard to hard rock | 700-1000 | 60 |
| Φ110 | Electroplated Diamond Bit | Hard rock, fractured zones | 600-900 | 75 |
| Φ130 | Electroplated Diamond Bit | Hard rock, granite | 500-800 | 90 |
| Φ150 | Electroplated Diamond Bit | Extremely hard rock, quartzite | 400-700 | 105 |
| Φ171 | Electroplated Diamond Bit | Deep hole hard rock drilling | 350-600 | 120 |
| Φ200 | Electroplated Diamond Bit | Large diameter geotechnical investigation | 300-500 | 140 |
| Φ220 | Electroplated Diamond Bit | Special geological sampling | 250-450 | 160 |
Key Features & Advantages
1. Superior Diamond Technology
Premium Synthetic Diamonds: High-grade diamond segments ensure maximum cutting efficiency in hard formations.
Optimized Segment Design: Reinforced matrix prevents premature wear and reduces bit balling.
Customizable Grit & Bond Hardness: Adjustable for specific rock types (e.g., coarse grit for fast drilling, fine grit for smooth coring).
2. Robust Construction for Hard Rock
High-Strength Steel Body: Resists bending and deformation under heavy load.
Enhanced Waterways: Efficient coolant flow prevents overheating in deep drilling.
Reinforced Crown Design: Minimizes breakage in fractured or highly abrasive rock.
Why Choose Our Diamond Core Bits?
Proven in Extreme Conditions – Used in African mines, South American quarries, and Asian infrastructure projects.
Custom Solutions Available – Tailored segment designs for ultra-hard or fractured formations.
Global Supply & Support – Fast delivery, technical assistance, and after-sales service.
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Laser Welding Collecting Samples Diamond Core Drill Bit Suitable For All Layers Images
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