Step drill bit tutorial for beginners？
Step drill bit tutorial for beginners？
How to use a step drill bit:
- Mark and center punch the drilling position.
- Insert the step drill bit into a power drill and set to low speed.
- Align the bit with the mark, apply gentle and steady pressure.
- Drill gradually through each step until reaching the desired hole size.
- For metal, use cutting oil to reduce heat and extend bit life.
- Stop at the target diameter, withdraw the bit, and clean burrs if needed.