846 3-flute Countersink Bit, 12.40 x 35 mmHigh quality 3-flute countersink bit for deburring, chamfering and countersinking. A finely-tuned material elasticity provides for great durability. Perfect chip removal and a low tilt risk ensure pleasant working. Cutting section as per DIN 335-C, 90° with 3 cutters. hexagon, suitable for holders with take-up as per DIN ISO 1173-D 6.3.