Product Description
Features:
1. Suitable for work pieces with hardness less than 25, such as thin iron plate, insulating board and wood board.
2. High speed, titanium nitride coated steel Replaces 28 separate drill bits.
3. Two-fluted design for fast, smooth cutting.
4. Automatically deburrs holes as you drill.
Specifications:
1. [Ten step bits] 3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm, weight 22g.
2. [Five step bits] 4mm,6mm,8mm,10mm,12mm, weight 21g.
3. [Nine step bits] 4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, weight 41g.
4. [Material] Titanium Hss M2 4241 with titanium nitride coating for longer life time.
5. Bag Dimension: 85*109mm
Package Included: 3x Step Drill Bit Set and one blue bag.