HILTI DRILL, MASONRY, ROTARY HAMMER BIT, 7/8 IN, 21 IN LG

Features solid carbide head with four carbide cutting edges in “X” configuration, for optimum drilling performance. Special two-component tungsten carbide incorporating gradient technology for superior impact absorption such as when drilling into rebar and high resistance to overheating such as when drilling through pre-drilled steel plates. New helix design for rapid drilling progress – each carbide cutting edge runs out into its own flute, ensuring excellent removal of dust and fragments.