Diablo Rotary Hammer Core Bit DMAPLCC1080 3 1 8 Inch Carbide Tipped Thin Wall Cutter (SDS Plus 3 Depth Concrete Brick Block Conduit Drilling) Dado Blades TiCo Hi Density Carbide: Custom formulated micro grain TiCo Hi Density Carbide: Custom formulated micro grain titanium cobalt carbide tips maintain razor sharp edges through high volume door millwork this heavy duty cutting cup incorporates an expanded 2 3 8 inch cutting depth to bore through thick structural timber and double stud bays in a single pass Insert a thin punch or rod through one of the integrated dual ejector holes from the rear of the cup and tap it lightly to safely pop the trapped core material out forward HVAC and Plumbing Service Lines: Executing clean