3 Piece Spiral Flute Step Drill Set
- Harlingen step drills with spiral flute for consistent material removal resulting in smoother cooler cutting.
- Drill 1, 6mm shank incorporating 9 cuts at 5mm depth per cut including the following sizes.
- 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm
- Drill 2, 8mm shank incorporating 9 cuts at 5mm depth per cut including the following sizes
- 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm
- Drill 3, 10mm shank incorporating 14 cuts at 5mm depth per cut including the following sizes
- 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm.
