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 doesn't jam or break when you hit rebar. Made from an embedded cross of high-quality tungsten carbide, the PRO SDS plus-5X's 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 hammer drills Tested in Bosch labs according to Bosch standard procedures. Features and Benefits: • Lasts up to 1.5x longer than a Bosch SDS plus-1 Drill Bit • Fits all SDS plus rotary hammer drills • 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 Specifications: Diameter mm: 5.0; 6.0; 6.0; 8.0; 10.0 Working length mm: 50; 50; 100; 100; 100 Total length mm: 110; 110; 160; 160; 160