Five Piece Titanium Step Drill Bit Set With Fifty Sizes From Three Sixteenth Inch To One And Three Eighths Inch For Metal Aluminum Wood And Plastic HSS Step Bit With Titanium Coating And Two Spiral Grooved For Electricians And DIY Projects

Titanium Coated Step Drill Bit Set with 50 Hole Sizes ✔️ 50 hole sizes from 3/16 in (4.76 mm) to 1-3/8 in (34.93 mm)

This five-piece titanium-coated high-speed steel step drill bit set is built for quick, clean holes in metal, plastic, wood, and other sheet materials. It's a handy choice for electricians, DIYers, and workshop projects, offering 50 hole sizes in a compact kit.

✅ HSS step drill bits with titanium coating for longer life and heat resistance
✅ 118° split-point tip provides self-centering and prevents walking
✅ Dual-flute spiral design enables fast chip evacuation and cleaner holes
✅ 50 sizes across 5 pieces, covering diameters from 3/16 in (4.76 mm) to 1-3/8 in (34.93 mm)
✅ Suitable for drilling plastic, aluminum, iron, and various sheet metals (not recommended for stainless steel)

💡 What is a step drill bit used for in metalworking and DIY projects?
This handy tool makes stepped holes quickly in thin materials like metal, plastic, and aluminum.
- Multi diameter capability in a single bit for efficiency
- Titanium coating extends tool life and reduces heat
- 118° split point prevents wandering for accurate starts
- Dual flute design improves chip removal and cutting quality