Uew t. C. Diamond core bitsThese core bits like diamond core bits, drills for core but use tungsten carbide as its cutting medium. It cuts the same size core as that by a diamond bit and fits into same size core barrel. These bits have octagonal carbide inserts which are grounded at a particular angle to form the cutting edge.
Uew t. C. Diamond core bits
These core bits like diamond core bits, drills for core but use tungste