Description
- Package includes: 3pcs step drill set 4-12/4-20/4-32 mm
- Materials: step drills are made of HSS high-speed steel, titanium coated surface, not easy to rust, long time using
- Different Sizes: Step drill bits are available in three sizes, and different sizes can meet different needs, adding water during use can effectively extend the service life
- Hexagonal Shank Design: Hexagonal handle design, firm and use for a long time, not easy to slip
- Wide range of uses: high-speed steel step drill bits are used for various materials such as wood, thin iron, aluminum, PVC, plastic, etc








