3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch, 4-12mm/4-20mm/4-32mm Drill Bits Set for Sheet Metal Hole Drilling

Description

🔧 Drill Smarter, Not Harder — The Ultimate Step Bit Set for Pros Who Demand Precision!

This 3-piece High-Speed Steel Step Drill Bit Set features titanium nitride coating and a two-flute design for fast, smooth cutting. Covering hole sizes from 4mm to 32mm, it replaces multiple bits and includes an automatic spring-loaded center punch for precise starts. Perfect for sheet metal and various materials, it delivers durability, efficiency, and professional results in one compact kit.