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Drill Bit Adapters and Extensions for Core Bits

DrillBitWarehouse offers drill bit adapters and extensions for core bits and drill bits that provide the dependability and performance you can count on. We provide drill bits adapters and core bit adapters that work with a wide variety of drilling machines, drill chucks, core drills, plate cutters, rebar cutters, dry diamond bits and anything else you can think of for drilling or coring holes. We are experts in making sure you are able to use your cutter with whatever machine you may have. Our drill bit extenders are perfect for extending drill bits and core bits for hard to reach places and will save your back a few years as well!. DrillBitWarehouse also offers male adapters and Keyed Drill Chuck Conversion kits to transform your ½” impact drill into a 3/8” air drill. Browse our extensions for drill bits today.

Drill bit adapters can get confusing but with our help you’ll be on your way in no time.

If you can’t find it, call us at 800-350-8665.

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  • High Speed Jobber Drill Bit
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    Premium High Speed Drill Bits – Jobber Sizes up to 1/2

    $12.24$67.44
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    Turn Any Cordless Screwdriver Into A Drill!

    $12.88
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    Quick Release Adapter
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    Quick Release Adaptor For 1/4 Inch Hex Shanks

    $17.88
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    7/16″ x 12″ Extension

    $19.93
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    36pc METAL LETTER & NUMBER PUNCH SET

    $27.14$30.14
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    Turn Any 1/2″ Impact Wrench Into A Drill

    $27.87
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    3/8″ Round to 5/8″-11 Threaded Male

    $29.90
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    1/2″ Round To 5/8″-11 Threaded Male

    $39.67
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    SDS PLUS to 5/8″-11 Male Adapter

    $39.90
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    Core Bit Adapter For Hilti BI+ to 5/8

    $39.98
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    round to 1-4_7
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    1/2″ Round to 1-1/4″-7 Threaded Male

    $41.29
  • EXTENSION 5/8IN-11M TO 5/8IN-11F
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    EXTENSION 5/8in-11M to 5/8in-11F

    $44.55$69.72
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    Adapter HILTI BI+ to 1-1/4

    $49.98
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    Adapter F 5/8″-11 to 1-1/4″-7 Male

    $52.57
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    Adapter F 1-1/4″-7 to 5/8″-11 Male

    $58.39
  • Adapter Dry Core Bit System
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    Adapter For Rebar Cutter & Dry Core Bit System

    $64.59$69.42
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    NEW SDS MAX Male to 5/8″-11 Threaded Male

    $69.98
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    EXTENSION FOR REBAR CUTTER & DRY DIAMOND CORE BIT
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    11″ Extension For Rebar Cutter & Dry Diamond Core Bits

    $97.88
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    SDS PLUS to SDS MAX
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    SDS-MAX to SDS PLUS Bits QUICK CHANGE ADAPTER

    $128.84
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    EXTENSION FOR REBAR CUTTER & DRY DIAMOND CORE BIT
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    18″ Extension For Rebar Cutter & Dry Diamond Core Bits

    $129.45
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    SDS MAX to SPLINE Bits Adapter

    $169.88
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    SDS PLUS to SDS MAX
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    SPLINE to SDS-MAX Bits Quick Change Adapter

    $188.68

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