Engineered for challenging concrete applications, this SDS-max shank quad-head drill bit by Simpson Strong-Tie features self-centering tips that ensure precise hole placement for your drilling tasks. Constructed from a robust chromium-nickel-molybdenum steel alloy, it boasts excellent hammering quality and durability, allowing for extended service life even under intense conditions. The heat-treatment and shot-peened finish enhance surface hardness and improve drilling speed, while the uniquely designed quad head incorporates four 90 geometries to efficiently crush through rebar and mitigate sticking in reinforced concrete.