The Irwin Speedhammer Max drill bits have been designed for easy and trouble free drilling of concrete, granite and similar very hard materials.
The patented carbide tip head takes 80% of the workload, ensuring higher durability, speed and rebar performance. The 53° drilling head design means more aggressive cutting and faster dust removal for overall faster performance and the four-cutter tips for less vibration,faster drilling, rounder holes and better anchoring.
The shank fits all SDS-max rotary hammers.
The Irwin IRW10502094 Speedhammer Max Drill Bit has the following dimensions:Diameter: 12.0mm.Total length: 690mm.Working length: 550mm.
Number of cutting edges: 2.