SHOP ALL BITS

Shop All Core Bits Online at Best Prices

Core with Confidence – Precision Bits for Every Job

Explore a full range of core bits at Detroit Diamond Tools, designed for precise and efficient coring in granite, quartz, marble, and other hard surfaces. Whether you’re working with hand-held drills or CNC machines, our selection includes wet and dry coring bits from top brands, built for durability, speed, and clean results in every application.

Showing 1–12 of 45 resultsSorted by latest

TERMINATOR Q2 QUARTZITE CORE DRILL BIT

Size
- 1-1/4"
- 1-3/8"
- 1-1/2"
- 2"
Clear

MONTOLIT 1-3/8" KILLER GRES DIAMOND CORE BIT

$166.85

DDT GRANITE 1-3/8" CORE BIT

$49.95

CYCLONE S QZT CORE BIT

Size
- 3/16″
- 1/4″
- 5/16″
- 3/8″
- 1/2″
- 5/8″
- 3/4″
- 1″
- 1 1/4″
- 1 3/8″
- 2″
- 2 1/2″
- 3″
- +9 More
Clear

ALPHA CORE BIT EXTENDERS

Size
- 6"
- 10"
Clear

MONTOLIT MONDRILLO GOLD TITANIUM CORE BIT

Size
- 1/4"
- 5/16"
- 1/2"
- 9/16"
- 5/8"
- 11/16"
- 3/4"
- 1"
- 1-1/16"
- 1-3/16"
- 1-3/8"
- 1-1/2"
- 1-3/4"
- 2"
- 2-3/16"
- 2-3/8"
- 2-1/2"
- 2-11/16"
- 2-3/4"
- 3"
- 4"
- 4-3/4"
- +18 More
Clear

ZENESIS™ V SERIES CONCRETE CORE BIT

Size
- 2 x .155 x 1 1/4 - 7
- 2 1/2 x .155 x 1 1/4 - 7
- 3 x .155 x 1 1/4 - 7
- 3 1/2 x .155 x 1 1/4 - 7
- 4 x .155 x 1 1/4 - 7
- 4 1/4 x .155 x 1 1/4 - 7
- 4 1/2 x .155 x 1 1/4 - 7
- 5 x .155 x 1 1/4 - 7
- 6 x .155 x 1 1/4 - 7
- 6 1/2 x .155 x 1 1/4 - 7
- 7 x .165 x 1 1/4 - 7
- 8 x .165 x 1 1/4 - 7
- 10 x .187 x 1 1/4 - 7
- 12 x .187 x 1 1/4 - 7
- 14 x .187 x 1 1/4 - 7
- +11 More
Clear