General description The DEWALT Masonry Drill Bit is designed for efficient drilling in masonry, brick, blockwork, and stone. Featuring 130° Douglas Form carbide tips, this drill bit is ideal for creating anchor, plastic, fixing, or pipework clearance holes. Technical specifications Diameter: 20mm Overall Length: 400mm Working Length: 230mm Manufacturer Part Number: DT6720-QZ EAN: 5011402373239 Other information