12pcs M14 Dry Vacuum Brazed Diamond Hole Saw Set A in Long Aluminum Box - Quality from China Suppliers & Factory
Product Overview
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
It is 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
Package Options
Frequently Asked Questions
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Q What materials can this diamond drill core bit be used on?This drill core bit is designed for use on tiles, ceramics, marble, granite, natural stone, and concrete walls. It is ideal for both hard and brittle materials commonly found in home renovation and construction projects.
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Q Does this drill bit require water cooling during use?For sizes between 5mm and 12mm, no water is needed. These sizes feature built-in cooling wax that melts during high-speed rotation to absorb heat and keep the bit cool. Larger sizes may benefit from water cooling depending on the application and drilling duration.
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Q What size range does this drill core bit come in?The Black Vacuum Brazed Diamond Drill Core Bit is available in a full size range from 6mm to 130mm, making it suitable for a wide variety of hole-opening tasks across different project scales and material thicknesses.
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Q How does vacuum brazing technology improve the lifespan of this drill bit?Vacuum brazing creates a strong metallurgical bond between the diamond particles and the steel body, ensuring the diamonds remain firmly attached even under heavy use. This technology results in 3–5 times longer lifespan compared to standard electroplated drill bits, reducing the need for frequent replacements.
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Q Will this drill bit cause chipping or cracking on delicate tile surfaces?The optimized diamond distribution and high diamond exposure rate of this bit allow for fast, precise drilling while minimizing the risk of chipping or cracking. Its excellent heat dissipation also prevents thermal damage to sensitive or brittle materials, resulting in clean and smooth holes.
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Q What package options are available for this product?This product is available in multiple kit configurations to suit different needs: 6-piece, 8-piece, 9-piece, 10-piece, and 12-piece sets. Each set comes in a dedicated storage box for convenient organization and portability.