Spiral Grooved Step Drill Bit Set, High Speed Steel Titanium Coated, 4mm to 12/20/32 mm (5/32" to 5/4") Hex Shank Metric, HSS Cut Tool Set for DIY Plastic Wood Metal Aluminum Copper

Description

🔩 Drill Smarter, Not Harder — The Ultimate Step-Up for Your Toolbox!

This Spiral Grooved Step Drill Bit Set by XQ7 features a high-speed steel core with titanium coating for enhanced durability and wear resistance. Its unique two-flute spiral groove design enables faster, smoother drilling with automatic hole chamfering. The 1/4" hex shank ensures a secure fit in most power drills, eliminating slip during use. Covering hole sizes from 4mm up to 32mm, this versatile 3-piece set is ideal for drilling through metal, wood, plastic, and more, all packed neatly in a protective nylon bag for convenience.