Bosch 1609200315 Countersink Drill Bit Hex Shank - 13.0mm (Pack of 1)

Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and ¼" internal hex tool holders.High power-transfer due to the hex shank which provides flush results.The ground countersink made of tool steel offers an optimum surface quality for even work on wood and plastics.