CMT 372.120.12 Four Flute Dowel Drill 12 x 65 x 105mm LH Jig & Recip Saw Blades The combination of negatively ground The combination of negatively ground spurs and a precision balanced centre point addresses the two most common failure points in dowel drilling tearout at entry and walkoff from the target centre making this tool suited to high appearance furniture and cabinet components where surface quality is non negotiable 10mm bore diameter provides a firm expanding the range of panel thicknesses and joint configurations that can be machined continuous chip evacuation during deep blind hole drilling reduces heat buildup and keeps the cutting zone clear for consistent bore quality throughout the full 65mm cutting depth