Hex Shank Quick Change Step Drill Bit Set One Quarter Inch Shank HSS Titanium Coated Spiral Grooved Bits 3-12mm 4-12mm 4-20mm Heavy Duty For Sheet Metal Woodworking Plastic Drilling

Titanium-coated HSS Step Drill Bit Set with 1/4in Hex Shank
✔️ 24 hole sizes: 3-12mm, 4-12mm, 4-20mm; 1/4in hex shank

This heavy-duty step drill bit set is built for drilling thin metals, aluminum, stainless steel, plastics, and other sheet materials. It’s ideal for DIY projects, shop work, and professional repairs.

✅ Material: HSS with titanium coating for high hardness and heat resistance
✅ Finish: Titanium coating for wear and heat resistance
✅ Shank: 1/4 Inch hex quick-change for a secure grip
✅ Sizes: 24 steps spanning 3-12mm, 4-12mm, 4-20mm
✅ Design: Two-flute for fast chip clearance and smooth drilling
✅ Applications: Works on thin stainless steel, carbon steel, aluminum, iron, and plastic

💡 What is a step drill bit set best used for? It’s a handy tool for making holes in metal, plastic, and other thin materials. Here’s a quick, practical rundown. - handy for drilling multiple hole sizes in metal, plastic, and thin materials - produces cleaner holes with less burrs and walking - titanium-coated HSS offers heat resistance and long life - compatible with 1/4 inch hex quick-change chucks for fast swaps