Bosch HSS Step Drill Bit 4-20MM Hex 1/4″ (2608597524)

Description

Bosch HSS Step Drill Bit 4-20MM Hex 1/4″ (2608597524)

• Pre-punching is not necessary as the split-point tip allows for an easy start
• CNC ground spiral flute enables optimised chip removal and less vibration for even drilling
• Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and ” internal hex tool holders