Product details : IRWIN SPEED HAMMER PLUS DRILL BIT 20.0 X 300MM
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
Strengths
The bits have 25% more tungsten carbide for extra strength and they drill 25% faster than competitive drill bits Speedy removal of dust and lower vibrations and 28% greater capacit Patented extra short drill bit head which takes 80% of the workload More aggressive cutting angles and self-centring for faster drilling