Thanks to CMT quick attach drill bits for HW micrograin machines you can achieve perfect performances and extraordinary durability. Main features: special hard metal in Ceratizit microgrit; new design of reinforced engravers that allows better finish at higher speeds of advancement; integral hard metal construction ensures greater centering, less breakage and a high number of sharpening; perfect on all materials, ideal on hard, soft natural woods and its derivatives also chipboards and laminates, MDF and plastic materials. Super high performance on high speed drills, point/point machines, and CNC pantographs. For blind holes on solid wood and its derivatives, also laminated. For inserting on chucks or adapters into drills. Technical specifications: special high strength steel connection; helical body in superior quality super micrograin hard metal; centering point; 2 cutting edges; 2+2 coil throats; 2 reinforced sharpening incisors (V2); attachment with fixing plane and screw for axial