Premium Step Drill Bit Set Featuring Ti-Coated Cobalt HSS For Smooth Holes In Steel Brass And Wood With Anti Slip Hex Shank Grip And Auto Deburring Edges To Keep Your Projects Tight And Ready

Step Drill Bit Set Ti Coated For Steel And Wood Hole Making
✔️ 5 Cone Sizes With Hex Grip Anti Slip And Auto Deburrs Included

This set contains multiple cone shaped cutters designed for enlarging existing holes in thin materials efficiently. You typically use them for electrical box installations or HVAC ducting work requiring smooth edged apertures without extra finishing.

✅ Ti Coated body helps bits run cooler during high speed operation
✅ Grooved hex shank locks firm into chuck preventing slip up
✅ Fluted steps smooth hole edges automatically as depth increases
✅ Hard storage box holds five organized cone cutter pieces easily

💡 Why use progressive hole punch tools for fabrication jobs?
Progressive tools are handy because they reduce setup time compared to swapping bits.
- One tip allows you to cut many sizes from small to big fast
- Self centring geometry keeps your drilled aperture perfectly round
- Reduced heat buildup extends the life of the sharp cutting edges