Professional Toolzone 50mm tungsten carbide tipped (TCT) Core Drill with SDS Plus fitting for Cutting round Holes in masonry. Designed to give rapid, clean cuts through light and medium density brick, blocks and masonry. Core Drill is perfect for plumbers, heating/ventilation engineers, electricians, kitchen fitters and builders. An Extension Bar is also available for this Core Drill in my Store. Click Similar Items below. Comes complete with Core Drill, pilot drill, and SDS arbor. Ideal for light and medium density bricks, blocks and masonry. Designed for use with standard percussion drills and SDS plus pneumatic hammer drills. Size:50mm. Its recommended that your Drill should have a slipper clutch.