Step Drill -3 Piece- Heavy-Duty High-Speed Step Drill Bit Set with Multi-Size Drill Bits (4mm to 32mm) for Precision Hole Enlargement - for Metal, Plastic, and Wood Drilling with Rotary Tools

OverviewThis 3-piece step drill set featuring multi-size drill bits, is designed to meet your precision drilling needs. The set includes 4mm to 12mm, 4mm to 20mm, and 4mm to 32mm step drills, making it versatile for metal, plastic, and wood drilling. Each step bit has sharp cutting edges, providing smooth hole enlargement and efficient drilling through thin materials such as sheet metal, steel, and soft materials.

The step cone drill bits have a multi-step design, ensuring precision when drilling different hole sizes without the need to switch bits. Their tapered shape offers excellent control and reduces friction for fast and accurate hole cutting. These step drills are ideal for hole expansion, pilot hole drilling, and chamfering, whether you are working on DIY projects or industrial applications like electrical box installation and auto body work.

Each drill bit fits easily into rotary tools and electric drills, making this set a great rotary tool accessory. This progressive step drill bit set is perfect for any workshop, providing an efficient cutting solution for precise holes across multiple sizes and materials.