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Core Drill Bits

When it’s time to drill a big hole through tough substrate, you need core drill bits that are up to the task. That’s exactly what we provide at ToolGuy. As a trusted supplier of professional-quality industrial tools for over 40 years, we take pride in the selection of tools we sell. Here, you can shop diamond and carbide core bits for concrete, stone, rebar, granite, and more.

From annular cutters to trepanning drills, our premium dry and wet core bits are designed for drilling through the hardest materials with precision and ease. Whether you’re using a rotary hammer or a core drill rig, our core cutter bits are engineered for speed, accuracy, and long life.

Browse our selection of reliable core drill bits below to find the tool you need for your project. If you have any questions or would like additional information, don’t hesitate to reach out.

  • Carbide Core Bits for Rotary Hammers

    Carbide Core Bits for Rotary Hammers (15)

  • Diamond Core Bits & Hole Saws for Granite, Tile & Stone

    Diamond Core Bits & Hole Saws for Granite, Tile & Stone (3)

  • Dry Diamond Core Bits

    Dry Diamond Core Bits (1)

  • Wet Diamond Core Bits

    Wet Diamond Core Bits (3)

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    Diamond Stone Coring Bits – 5/8-11 Thread Sizes 3/16″–7/8″

    Diamond Stone Coring Bits – 5/8-11 Thread Sizes 3/16″–7/8″

    $22.96 – $36.69
    In Stock

    Diamond coring bits with 5/8-11 thread mount directly to grinders and polishers. Cuts clean holes in granite, marble, porcelain, ceramic, and masonry. Sizes range from 3/16″ to 7/8″.

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    SDS-Plus to 5/8″-11 Male Thread Adapter – Core Bit & Grinder Accessory

    SDS-Plus to 5/8″-11 Male Thread Adapter – Core Bit & Grinder Accessory

    Original price was: $39.98.Current price is: $36.00.
    In Stock

    Converts SDS-Plus rotary hammers to accept 5/8"-11 threaded tools. Compatible with core bits, grinding cups, wire wheels, and other accessories.

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    Diamond Turbo Seg Core Bits with Pilot – 3/8″ Round Shank (3/4″–5″)

    Diamond Turbo Seg Core Bits with Pilot – 3/8″ Round Shank (3/4″–5″)

    $36.80 – $169.78
    In Stock
    Supreme Series Diamond Turbo Core Bit – For Granite, Marble & Hard Stone (5/8″-11 Thread)

    Supreme Series Diamond Turbo Core Bit – For Granite, Marble & Hard Stone (5/8″-11 Thread)

    $45.69 – $124.78
    In Stock

    Supreme turbo diamond core bit for granite, marble, and hard stone. 5/8″–11 threaded. 2-3/4" to 3" cutting depth. Fast, clean drilling.

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    Pilot Bit For Dry Core Bit System

    Pilot Bit For Dry Core Bit System

    $47.99
    In Stock
    Premium Dry Diamond Core Bits – Heavy Duty Rebar and Concrete Cutting (5/8″-11 Arbor)

    Premium Dry Diamond Core Bits – Heavy Duty Rebar and Concrete Cutting (5/8″-11 Arbor)

    $60.08 – $228.98
    In Stock
    Great for reinforced concrete
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    5/8″ Pilot Bits for The REAPER Drilling System

    5/8″ Pilot Bits for The REAPER Drilling System

    $68.85 – $75.40
    In Stock
    TURBO SERIES. Wet Diamond Pro Core Bit

    TURBO SERIES. Wet Diamond Pro Core Bit

    $70.71 – $117.29
    In Stock

    Premium diamond core bit for freestanding core rigs. Cuts concrete, brick, block, and stone. GE laser-welded segments and HSS barrel with cooling slots.

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    V-GROOVE DIAMOND CORE BITS The Boss Hog

    V-GROOVE DIAMOND CORE BITS The Boss Hog

    $77.80 – $1,282.10
    In Stock
    V-Groove Wet Core Bit
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    SDS Max Adapter For Rebar Cutter & Dry Core Bit System

    SDS Max Adapter For Rebar Cutter & Dry Core Bit System

    $88.89
    In Stock
    SPLINE Adapter For Rebar Cutter & Dry Core Bit System

    SPLINE Adapter For Rebar Cutter & Dry Core Bit System

    $89.89
    In Stock
    SDS PLUS Adapter For Rebar Cutter & Dry Core Bit System

    SDS PLUS Adapter For Rebar Cutter & Dry Core Bit System

    $96.84
    In Stock
    11″ Extension For Rebar Cutter & Dry Diamond Core Bits

    11″ Extension For Rebar Cutter & Dry Diamond Core Bits

    $128.98
    In Stock
    SDS-MAX Dry Core System 4-1/2″

    SDS-MAX Dry Core System 4-1/2″

    Original price was: $199.90.Current price is: $129.99.
    In Stock
    SDS-MAX Dry Concrete Core Bit
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    18″ Extension For Rebar Cutter & Dry Diamond Core Bits

    18″ Extension For Rebar Cutter & Dry Diamond Core Bits

    $158.57
    In Stock
    1-1/2″ Dry Diamond Carbide Core Bit

    1-1/2″ Dry Diamond Carbide Core Bit

    $159.88
    In Stock

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