IRWIN Speedhammer Plus Heavy Duty Hammer Drill Bit, 4.5 x 160mm, Model IRW10503844

General description The Irwin SDS Speedhammer Plus Drill Bit is designed for fast and efficient drilling into brick, block, masonry, concrete, and granite. Its unique single flute design ensures quick dust removal and reduces vibrations, leading to smoother operation. The drill bit features an extra-short head that handles 80% of the workload, increasing durability and speed. It clears dust directly into the flute to prevent clogging. Made with 25% more tungsten carbide, it offers enhanced strength and drills 25% faster than comparable drill bits, with more aggressive cutting angles and self-centering for quicker, precise drilling. Technical specifications Diameter: 4.5mm Total length: 160mm Working length: 100mm