SDS-Max carbide drill bits are designed for use in a rotary hammer equipped with a SDS-Max type chuck. The bits are manufactured to confirm with ANSI Standard B212.14 and can be used to drill in concrete, block, brick, and soft stone. The Tri-Cutter head design has three main cutters in a "Y" configuration which make up to 32% less noise and vibration compared to the "X" -Cutting heads.