Step Drill Set uses a three edge shank to eliminate chuck slipping and a dual cutting edge for fast and effective drilling performance.
The precision split point design ensures a quick start with no pilot hole required plus the unique anti-jamming flute gives a smooth and contestant performance.
Each step drill has a 4mm depth on each step allowing accurate holes on a wide range of material up to 4mm thick plus each drill bit increases in 2mm increments giving 14 different sizes from this set
