4-1/4 Inch Diamond Core Bit For Dry Drilling Concrete and Asphalt
All bits are 11" long to produce 9" drilling depth.
All bits have 5/8"-11 threads.
Applications: Concrete, Asphalt, Brick & Block, Masonry.
Best for drilling brick or hollow block walls.
Equipment: Core Drill Rig, Handheld Core Drill