1. Diamond core drill bits are made to drill a variety of aggregates including concrete, asphalt,granite,marble,masonry or natural stone.
2. Diamond core drill bits can be used to make any type of opening.
3. Drilling continuous holes,commonly referred to as stitch or line drilling,creates the shape of the desired opening.
4. Most coring bits can be run by an electric drill motor ranging from 2" to 16" diameter.
5. Thread: M14,5/8"-11,1/2" etc.