Diamond Core bits for heavy-duty applications. Segments are manufactured with high quality diamond particles in a superior matrix composition. These bits are designed for coring concrete with medium or hard aggregates and light to moderate steel reinforcement. Core depth is 13"; extra length is available on a special order basis. Diamond Core Bits are available in many other sizes including diameters from 1/2" to 48" and fractional sizes. Longer lengths are also available. Core bit segments with different bonds can be manufactured to accommodate drilling of unusual aggregates. Call our Sales Department for more information.