Typical Applications: The professional's choice for concrete, engineering brick, lightweight block and ceramic tiles. Heavy-duty professional's masonry drill bit for use with rotary hammer action drills. Features: 1. High grade alloy tool steel and furnace hardened to SDS standards, making bits stronger, more durable and safer to use. 2. Geometrically designed flute maximises spoil evacuation. 3. Copper brazed carbide tip, strengthens the bond between tip and body. Description: Masonry bit for mains and cordless drilling machines. Drills more holes per battery charge than other masonry bits. Sizes and lengths of up to 400 mm Extension bars available for deeper drilling. Packed in re-sealable tubes.