Features and Benefits:�Solid head carbide delivers up to 5x longer life in concrete with rebar�Rebar guards for maximum durability in hard aggregate and rebar�Sharp centering tip for exact spot drilling in concrete and metal decking�Lock Up�Variable flutes remove dust faster reducing heat & delivering up to 20% more holes per battery charge�German Made�Meets ANSI B212.15 to fit common anchors�Wear mark indicator to show end of life and when bit no longer meets the ANSI requirement�Ideal for concrete with rebar and masonryThe MILWAUKEE® SDS PLUS 4-Cutter MX4™ 1-1/4" X 16" X 18" Drill Bits with solid head carbide deliver up to 5X longer life in concrete with rebar. Engineered with rebar guards to provide maximum durability in hard aggregate and rebar with a 4-cutter design that prevents lock-up, reducing downtime. The sharp centering tip offers exact spot drilling in concrete and metal decking. Variable flutes remove dust faster, reducing heat and delivering up to 20% more holes per battery charge. A wear mark indicator shows end of life and when bit no longer meets the ANSI requirement. The Milwaukee MX4™ 4-Cutter Drill Bits are ideal for concrete with rebar and masonry applications.