3" Diamond Core Bit for Concrete, Wet, 18" DD, Supreme

Builders Depot® 3" X 18" Supreme Wet Diamond Core Bit with 1-1/4"-7 Female Head.
Our Builders Depot® Core Bits have laser welded segments containing the highest quality artificial diamonds and have been specially formulated to offer the best performance in most materials.

Supreme quality diamond bits are the preferred choice of professional concrete coring and drilling contractors, and are designed for medium to large sized jobs where cost per hole is important.

The supreme bits have a greater amount of high quality diamond in the segment, which provide faster cutting and longer life. Laser welding helps prevent segment loss.

Special lengths are available and can be shipped within 24-48 hours.

1-3/4" diameter and smaller coring bits have a 5/8"-11 built in head. 2" diameter and larger coring bits have a 1-1/4"-7 built in head. These bits are compatible with all standard core-drill motors including, but not limited to: Core Bore, Milwaukee, Weka and Eibenstock. We stock adapters so you can use our bits on Hilti Core Drill Machines.

This bit is designed to cut the following materials: Block, Brick, Concrete, Critically Hard Concrete, Cured Concrete, Green Concrete, Hard Aggregate, Hard Brick, Hard Concrete, Masonry, Pavers, Reinforced Concrete, Soft Aggregate, Soft Asphalt.

If you have any application or technical questions, please call us at 1-800-777-0969 to speak to one of our highly experienced core drilling professionals.