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Core Bits for Marble and Concrete Countertops

  • 2" long core bits designed for drilling the mounting holes in masonry, marble, limestone, and concrete (countertops only).

    Can be used dry for masonry and soft stone such as marble and limestone. Wet drilling recommended for concrete (countertops only).

    1/2" shank adapter for chuck drills is sold separately below.

    Segment Height: 8 mm
    Drilling Depth: 2"
    Arbor 5/8"–11 threaded
    Drilling Method: Wet and dry
    • Fast Shipping: We will dispatch all items on same or the next business day. Our cutoff time is M-F 3:30 PM Pacific time.
    • Free Return: If your item is faulty or we have sent you something different to what you ordered, return it to us in the original packaging within 30 days and we will give you a replacement or a full refund. (Shipping cost not refunded)
    • Payment Safety: All transactions are SSL-protected and guaranteed safe.
    • Your Privacy: We will never share your information with anyone.
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Diameter Drilling Depth Price Quantity
infoAdapter to 1/2" Shank N/A $9.99
info3/16" 2" $24.99
info1/4" 2" $29.99
info3/8" 2" $29.99
info1/2" 2" $29.99
info5/8" 2" $29.99
info7/8" 2" $29.99
info1" 2" $29.99
info1-1/8" 2" $29.99
info1-1/4" 2" $29.99
info1-3/8" 2" $29.99
info1-1/2" 2" $29.99
info1-5/8" 2" $37.99
info1-3/4" 2" $34.99
info2" 2" $39.99
info2-1/2" 2" $44.99
info4" 2" $64.99
info4-1/4" 2" $69.99

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Local pick up only. Please call (626)-656-5982 to set up a local pick up.

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