Sutton Tools SDS Max Extreme Masonry Drill Bits are designed for use in concrete, masonry and steel. They have been engineered to deliver excellent performance along with a range of features that ensure durability and lasting value. The unique 10-Cut head increases speed while also reducing breakage, waste and dust. This methodology also helps to increase life and productivity as it enables up to 100 holes in reinforced concrete. The sand-blasted finish ensures that this tool won't rust, corrode or leave a trace of heavy metals. These advanced features ensure both construction sites are left safe while cutting down on downtime by increasing drill bit life.100% Carbide head - Superior performance in reinforced concrete - Fits SDS Max drills10-Cut head for increased speed and robust performance for 100's holes in reinforced concrete - Sand-blasted finish that offers an environmentally friendly production method with zero heavy metals - SDS Max Shank that suits ALL SDS Max rotary hammer drills