Wera 846/8 3-flute Countersink Bits Set, 8 pieces8 piece countersink bit set in a stable plastic box for deburring, chamfering and countersinking. The 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. High quality, ergonomic bit holder equipped with a magnet. The Rapidaptor quick release chuck ensures rapid bit change without any extra tools. " hexagon, suitable for