- Authentic Makita Spiral Flute Step Drill
- Size: 4mm to 32mm
- Titanium coating
- Allows you to change bit easier. (1/4″ Hex)
- Better grip than cylindrical shank (Straight Shank)
- Recommended –> Plastic, Non-ferrous metal (Copper, nickel, Zinc), Sheet metal
- Acceptable –> Alloy, Steel, Cast iron
- Model: D-40191