General description The 55mm Brick Hole Saw is designed for efficient drilling in various materials including clay, foam, brick, and concrete walls. It is ideal for installing pipes, water pipes, and drain pipes. Technical specifications Hole saw diameter: 55 mm Pilot drill bit length: 110 mm Materials: Tungsten carbide for hole saws; YG8 and YG11 for pilot drill Packaging Each hole saw is individually packaged in a plastic box Each bit is oiled to prevent rust High quality Sturdy, durable, and wear-resistant construction High hardness, rust resistance, and strength of materials used Smooth cutting The external groove of the concrete hole saw ensures a smooth and clean cut, making the hole more precise and ensuring superior performance.