CMT 310.080.11 Dowel Drill, 8mm (5/16-Inch) Diameter, 10x27mm Shank, Right-Hand Rotation
Made of super-strength steel, spiral portion coated with orange PTFE, HWM head with precision balanced center point. 2 Cutting edges, 2 spurs, 2 spiral flutes, parallel shank with driving flat and length adjusting screw.