Simpson SDS Plus Drill Bit 3 4 in. x 24 in. 2 Cutter Carbide Tipped MDPL07524 2 Cutter Diablo 3 4" x 37" x Diablo 3 4" x 37" x 39" SDS Plus 2 Cutter Carbide Tipped Hammer Drill Bit is engineered for professionals who demand fast The Xtreme Series spiral technology is purpose built for woodworkers and cabinet shops that need both a flawless surface finish and a bit that holds its edge through long production runs addressing the common tradeoff between cut quality and tool longevity ANSI Standard B212 overall length provides exceptional reach for deep anchor installations and through slab applications while keeping the shank fully seated in the tool chuck