Work with Hammerest Step Drill Bit Set, easy to process 50 different diameter holes with only five drill bit, Drill holes on metal like a hot knife on butter!
- Laser marking makes the size more clear;
- High speed steel for longer service life;
- 3-sided shank prevents slip in drill chuck, fast starting;
- Two-flute design enables a faster and smoother cutting;
- X-type openings design to facilitate the removal of cutting waste when drilling;
- Suitable for drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal;
- The drill bits set fit the majority of brands currently on the market.
4-12 mm - 4, 6, 8, 10, 12 mm (5-step drill bit)
4-20 mm - 4, 6, 8, 10, 12, 14, 16, 18, 20 mm (9-step drill bit)
3-12 mm - 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 mm (10-stage drill bit)
Titanium Step Drill (3 pieces)