Outstanding lifespan in reinforced concrete! High-quality, tough tungsten carbide ensures strength and durability. Reinforced concrete is a common material in infrastructure, commercial and residential construction, and electricians, plumbers, or HVAC installers often need to drill into it. The PRO SDS plus-5X hammer drill bits are designed for this challenging task, featuring a robust 4-cutter design that does not jam or break when encountering rebar. The 4-cutter head of the PRO SDS plus-5X has an embedded cross made of high-quality tungsten carbide, providing comfort for professionals who need to drill precise holes in reinforced concrete. The masonry drill bit features 4 spiral flutes that channel dust away from the impact site, ensuring effective and long-lasting performance.