Abracs Step Drills are designed with a 3 edged shank to eliminate slipping and a dual cutting edge for fast and effective drilling performance. The precision split point feature ensures a quick start with no pilot holes required. The set includes a 4-12mm, 4-20mm and 6-30mm step and the unique anti-jamming flute gives a smooth and consistent performance. Abracs Step Drill Bits should always be used with cutting oil to maximise life. The set includes a 4-12mm, 4-20mm and 6-30mm Step Drill Bit each with a 4mm depth on each step for accurate holes on a wide range of materials up to 4mm in thickness. Each drill bit Increases in 2mm increments giving the user 14 different sizes in one handy carry case. Included: SD412 - Abracs Step Drill 4-12mm SD420 - Abracs Step Drill 4-20mm SD630 - Abracs Step Drill 6-30mm
