IRWIN SPEED HAMMER PLUS DRILL BIT 18.0 X 210MM

The IRWIN Speedhammer Plus bits are designed to get through brick, block, masonry, concrete, and granite with minimal fuss and maximum speed.Their unique, patented, single flute design gives you the quickest possible cut, the swiftest chip removal, and overall lower vibrations so now you can enjoy up to 28% greater drilling capacity.Another patented innovation is the short drill head. A shorter bit means the force is focused 80% on the head so you get a more durable drill bit overall