Free Ground Shipping for Orders over $300
Cart 0

Extended Masonry Core Bits for Granite, Marble, and Concrete

Extended Masonry Core Bits for Granite, Marble, and Concrete
  • Core bits designed for drilling the mounting holes in granite, marble, stone and concrete countertops.

    Can be used dry when water is not an option, but drilling with water will extend the segment life.

    Wet drilling is highly recommended for drilling depth more than 3" to maintain efficiency.

    1/2" shank adapter sold separately below.

    Segment Height: 8 mm
    Drilling Depth: 6"
    Arbor 5/8"–11 thread
    Equipment: Hand held drills
    Drilling Method: Wet and dry
    • check In Stock: Dispatched within 24 hours
    • local_shipping Ground shipping arrive within 1-3 working days, air shipping also available
    • 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 Returns: 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 guarenteed safe
    • Your Privacy: We will never share your information with anyone.
Diameter Drilling Depth Price Quantity
Adapter to 1/2" Shank N/A $9.99
1/4" 6" $34.99
3/8" 6" $34.99
1/2" 6" $34.99
5/8" 6" $34.99
3/4" 6" $34.99
7/8" 6" $34.99
1" 6" $34.99
1-1/8" 6" $34.99
1-1/4" 6" $35.99
1-3/8" 6" $36.99
1-1/2" 6" $37.99
1-5/8" 6" $38.99
1-3/4" 6" $39.99
2" 6" $44.99
2-1/4" 6" $46.99
2-1/2" 6" $49.99
3" 6" $54.99
3-1/2" 6" $59.99
4" 6" $64.99

More from this collection