4″ (105mm) Diamond Drill Bit – Premium Core Bit (5/8″-11)
Smooth penetration and clean, professional results. The Ioan™ Diamond Drill Bit is designed for precision and control. Featuring a high-quality vacuum-brazed diamond coating, it provides a clean, non-aggressive drilling experience, minimizing the risk of cracks or heavy chipping in delicate materials.
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Thread: 5/8″-11 (standard).
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Finish: Smooth, non-aggressive cutting action for clean hole edges.
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Versatility: Custom sizes available upon request to meet your specific project needs.
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Application: Porcelain, Ceramic, Granite, Marble, and Natural Stone.
The Ioan™ 4″ (105mm) Diamond Drill Bit is built for professionals who prioritize the quality of the finish. The specialized diamond bonding ensures a steady and smooth drilling process, making it ideal for high-end porcelain and stone where a clean exit is essential. Its balanced design reduces vibration, allowing for effortless operation. While optimized for dry use, it can be used for a wide range of installations. If you require a diameter not listed, our production capabilities allow for custom sizing to your specifications.
Technical Specifications:
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Diameter: 4″ (105mm)
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Thread: 5/8″-11
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Drilling Type: Smooth / Non-aggressive
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Max Depth: 35mm – 40mm
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Application: Porcelain, Ceramic, Granite, Marble
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Customization: All sizes available on request
