Wet Diamond Core Bits are designed to meet the requirements of more and more core drilling applications right on the job sites. These high quality diamond core bits can be used wet on granite and concrete countertops. They can also work well to drill porcelain tile very effectively if edge chipping is not a big concern.
- Maximum speed:4500 RPM.
- 3.5″ in total length and 2.5″ drilling depth.
- Both coring bits and smaller size non-coring bits are made with holes for central water cooling
- 1/4″, 3/16″, 3/8″ and 1/2″ bits are non-core bits.
- Pour water to cool down the bit is highly recommended to extend their lives.
It can be used with handheld air wet polisher.