Lasts up to 1.5x longer than a Bosch SDS plus-1 Drill Bit – Reinforced concrete is a common material in infrastructure, commercial and domestic construction, and workers such as electricians, plumbers or HVAC installers often need to drill into it. PRO SDS plus-5X Hammer Drill Bits are designed for this tough task, with a hardy 4-cutter design that doesnt jam or break when you hit rebar. Made from an embedded cross of high-quality tungsten carbide, the PRO SDS plus-5Xs 4-cutter head offers convenience to professionals who need to drill accurate holes in reinforced concrete. The masonry drill bit has 4 flutes channeling the dust away from the impact point and ensuring effective and long-lasting performance. Fits all SDS plus rotary hammers Lasts up to 1.5x longer than a Bosch SDS plus-1 Drill Bit Fits all SDS plus rotary hammers For efficient drilling in concrete and reinforced concrete, eg during installation work, including electrical installation, or other internal fittings Highly efficient for interior construction workers, electricians, plumbers, and HVAC installers: Long Life