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3pcs Vaccum Brazed Diamond Dry Drill Bit Hex Handle from China Suppliers - Masonry Core Drill Factory Set (6mm-12mm)

Discover the HEYIDA Core Drill Bit, a premium tool crafted in Mainland China, designed for precise masonry drilling. This high-quality drill bit features a durable diamond material and innovative vacuum brazed manufacturing technology, ensuring longevity and efficiency in various applications.

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Whether you're working with tiles, ceramics, porcelain, marble, granite, or stones, this versatile drill bit is your ideal companion for achieving perfect results. With a length of 81/67mm and a hex shank design for easy compatibility, it comes in sizes ranging from 6mm to 12mm, catering to all your drilling needs.

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As a trusted supplier and factory for high-performance drilling tools, HEYIDA guarantees reliability and quality. Upgrade your tool collection with this essential core drill bit, and experience the excellence that comes from choosing a leading manufacturer based in China.

    Product Introduction

    • Multi-Purpose Drilling: Designed for versatile use on granite, marble, ceramic, tile, glass, and hard plastic.
    • Dry Drilling Capability: Enables dry drilling without water, simplifying your drilling tasks and reducing mess.
    • High-Speed Performance: Optimized for speeds over 2000 rpm/min, ensuring a swift and effective drilling experience.
    • Hexagon Shank Compatibility: Equipped with a 6.35mm hexagon shank for compatibility with a wide range of drill tools.
    • Vacuum Brazed Diamond Technology: Features vacuum brazed diamond technology for superior drilling efficiency and longevity.

    Specification

    Hole Drill Size: 6 / 8 / 10 / 12mm
    Material: Diamond
    Shank: 6.35mm Hexagon Shank
    Diamond Length: 10mm
    With Cooling Wax
    Use: Versatile Masonry Drilling
    DIY Supplies: Ideal for Tiling Projects
    Performance: Dry Drilling without Water
    Application
    • For drilling granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic...
    Feature
    • Wax inside for cooling — Dry drilling without water.
    • Very high efficiency, multi-purpose drilling.
    • Long life drilling.
    ⚠ Attention
    ⚠️ When using brazed diamond hole saw, the speed of the electric tool should not be lower than 2000 rpm/min. The faster the speed, the better the effect. The hole saw should not be pressed down very hard, otherwise it is easy to damage the hole saw.
    Package Included
    📦 1 x Drill Bit

    Features

    💎
    Unmatched Durability and Efficiency
    Crafted from premium diamond material, these versatile drill bits are engineered for long-lasting performance. Vacuum brazing technology enhances the bond between diamond and steel core, offering superior dry drilling capabilities through granite, marble, ceramic tile, glass, and hard plastic.
    🔧
    Versatile and User-Friendly Design
    Designed for both professional and DIY users, cooling wax inside the bit ensures smooth, efficient drilling while reducing overheating risk. Easy handling and precise control make it an essential addition to any toolkit — perfect for granite countertops or subway tile installations.
    📐
    Optimized for Diverse Materials
    Available in sizes from 6mm to 12mm, these drill bits meet diverse drilling needs. Diamond material maintains sharpness and cutting efficiency across intricate granite patterns or large-scale ceramic tile installations — indispensable for professionals and hobbyists alike.

    Product Images

    Diamond Drill Bit - View 1
    Diamond Drill Bit - View 2
    Diamond Drill Bit - View 3
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    Diamond Drill Bit - View 5
    Diamond Drill Bit - View 6
    Diamond Drill Bit - View 7

    Frequently Asked Questions

    Q Can these diamond drill bits be used without water for cooling?
    Yes. These drill bits feature built-in cooling wax inside the bit, which allows for dry drilling without the need for water. This makes the drilling process cleaner and more convenient, especially for indoor tile and stone work.
    Q What materials can these drill bits cut through?
    These drill bits are designed for multi-purpose use and can effectively drill through granite, marble, ceramic tile, glass, masonry, concrete, and hard plastic — making them ideal for a wide range of home improvement and professional construction tasks.
    Q What drill speed is recommended when using these bits?
    For optimal performance, the speed of the electric tool should be at least 2000 rpm/min. The faster the speed, the better the drilling result. Avoid pressing down too hard during drilling, as excessive force may damage the hole saw.
    Q What sizes are available for these diamond drill bits?
    These drill bits are available in four sizes: 6mm, 8mm, 10mm, and 12mm. This range allows you to choose the appropriate size for your specific drilling application, whether it's a small pilot hole or a larger opening for fixtures and fittings.
    Q Are these drill bits compatible with standard power drills?
    Yes. These drill bits are equipped with a 6.35mm hexagon shank, which is compatible with a wide range of standard power drills and rotary tools. The universal shank design ensures a secure and stable fit for precise drilling performance.
    Q How long do these diamond drill bits last compared to regular bits?
    Thanks to the vacuum brazed diamond technology and high-quality diamond material, these drill bits offer significantly longer service life than conventional bits. The advanced bonding method between the diamond particles and steel core maintains cutting sharpness over extended use, delivering consistent performance across multiple drilling sessions.