General description The 55mm brick hole saw is designed for efficient drilling in masonry and concrete. With a diameter of 55mm and a pilot drill length of 110mm, this tool is ideal for creating holes in clay walls, foam walls, brick walls, and concrete walls, making it perfect for installing pipes, water pipes, and exhaust pipes. Technical specifications Hole saw diameter: 55mm Pilot drill length: 110mm Material: High-quality tungsten carbide Pilot drill material: YG8 and YG11 Other information Each hole cutter is individually packed in a plastic box Bits are oiled to prevent rust The outer groove design ensures smooth and clean cutting for precise holes