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8pcs M14 Dry Vacuum Brazed Diamond Hole Saw Set C - Quality from China Suppliers & Factory
Product Overview
This is a Black Vacuum Brazed Diamond Drill Core Bit—a high-performance professional tool specially designed for precise drilling on tiles, marble, granite, and various other stone materials. It covers a full size range from 6mm to 130mm, comprehensively fitting diverse drilling scenarios such as home renovation, construction projects, and stone processing. Crafted with premium materials and advanced technology, this drill core bit stands out in durability, efficiency, and usability, becoming an ideal choice for both professionals and DIY enthusiasts.
Key Advantages
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💧Dry Drilling (No Water Needed) The 5–12mm sizes are equipped with built-in high-quality cooling wax. During high-speed rotation, the wax melts to effectively absorb heat, eliminating the need for water cooling. This design simplifies operation, avoids water stains on workpieces and surrounding areas, and makes drilling in narrow spaces or indoor environments more convenient and clean.
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⚡3X Longer Lifespan Adopting advanced vacuum brazing technology, the diamond particles are firmly fused with the steel body, forming a strong metallurgical bond. This ensures 3–5 times longer durability than standard electroplated drill bits, greatly reducing tool replacement frequency and use cost.
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🎯Precise Drilling With optimized diamond distribution and high exposure rate, the drill bit achieves fast drilling speed while minimizing chipping and breakage of workpieces. Its excellent heat dissipation performance prevents thermal damage to brittle materials, ensuring smoother and flatter finished surfaces.
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🏗️Wide Application Widely suitable for opening holes in tiles, ceramics, granite, marble, natural stone, concrete walls, and other hard materials, meeting various drilling needs in home decoration, construction engineering, and stone processing fields.
Field Application Diagram
Packaging Options
6pcs
8pcs
9pcs
10pcs
12pcs
Frequently Asked Questions
❓ What materials can this diamond drill core bit be used on?
This drill core bit is suitable for tiles, ceramics, granite, marble, natural stone, and concrete walls. It is designed to handle a wide range of hard materials used in home decoration, construction engineering, and stone processing.
❓ Do I need to use water when drilling with this bit?
For sizes between 5mm and 12mm, no water is needed. These sizes feature built-in high-quality cooling wax that melts during high-speed rotation to absorb heat effectively. This makes dry drilling clean and convenient, especially in indoor environments.
❓ How much longer does this bit last compared to standard drill bits?
Thanks to vacuum brazing technology, this drill core bit lasts 3 to 5 times longer than standard electroplated drill bits. The diamond particles are metallurgically bonded to the steel body, providing exceptional durability and reducing replacement frequency.
❓ What size range does this drill core bit come in?
This product covers a comprehensive size range from 6mm to 130mm, making it suitable for a wide variety of hole sizes across different applications including home renovation, construction projects, and professional stone processing.
❓ Will this drill bit cause chipping or damage to the workpiece surface?
No. The optimized diamond distribution and high exposure rate minimize chipping and breakage. The excellent heat dissipation also prevents thermal damage to brittle materials, resulting in smoother and flatter finished hole surfaces.
❓ What packaging options are available for this product?
This product is available in multiple set configurations including 6pcs, 8pcs, 9pcs, 10pcs, and 12pcs per box, allowing customers to choose the best option based on their project scale and specific size requirements.