Product Overview
Vacuum Brazed Diamond Drill Bits are designed for fast, precise, and efficient drilling in granite, marble, and other natural stones. The vacuum brazed diamond segments provide strong diamond retention and excellent cutting performance, making them suitable for a wide range of stone drilling applications.
High-performance vacuum-brazed diamond core drill bits for fast, clean, and precise drilling in granite, marble, and other natural stones.
Key Advantages
Fast Drilling Speed
High diamond exposure enables efficient material removal.
Excellent Wear Resistance
Vacuum-brazed diamonds are firmly bonded to the tool surface for long-lasting performance.
High Drilling Precision
Produces accurate and consistent holes.
Clean Cutting Performance
Helps reduce chipping and achieve smooth hole edges.
Excellent Diamond Retention
Strong bonding between diamond particles and the tool body.
Suitable for Hard Stone
Particularly effective for granite and other abrasive stone materials.
Applications
Machining Operations
•Granite Drilling
•Marble Drilling
•Natural Stone Drilling
•Engineered Stone Drilling
•Countertop & Sink Hole Drilling
•Stone Installation & Construction
•Faucet and Plumbing Hole Drilling
Workpiece Materials
Granite Marble Limestone Engineered Stone Hard Stone
Machining Cases
Common sizes

Vacuum Brazed Stone Diamond Core Drill Bits | Type | Diameter(mm) | Length(mm) | Diamond Height | Diamond Grit | Connection |
| VT-BD-6 | 6 | 30mm 40mm 60mm 75mm 80mm 90mm 100mm | 5-15mm | #30 #40 #60 #80 #100 #120 | 5/8"-11 M14 |
| VT-BD-10 | 10 |
| VT-BD-20 | 20 |
| VT-BD-32 | 32 |
| VT-BD-42 | 42 |
| VT-BD-52 | 52 |
| VT-BD-68 | 68 |
| VT-BD-85 | 85 |
| VT-BD-102 | 102 |
| VT-BD-120 | 120 |
| VT-BD-132 | 132 |
| VT-BD-152 | 152 |
| VT-BD-168 | 168 |
| VT-BD-180 | 180 |
| VT-BD-200 | 200 |
| Note: Other sizes can also be provided according to your requirements |