Description The Halls MC High-Speed Steel Step Drill is designed for precise hole drilling in sheet metal. It allows you to easily cut holes of various sizes with a single tool, featuring multiple parallel cutting steps. Suitable for use on sheet metal up to a maximum thickness of 4mm. Technical Specifications Size range: 10mm to 20mm in 1mm increments Number of steps: 11 Maximum material thickness: 4mm Shank size: 10mm to fit standard chucks Compatibility and Accessories Compatible with drills that accept 10mm shank bits Use with coolant when drilling metals to prolong tool life and improve cutting performance Installation Insert the drill into a compatible drill chuck with a 10mm shank Ensure the drill is securely tightened before use Usage Use on sheet metal up to 4mm thick Apply coolant when drilling metals to reduce heat and wear Start drilling at a low speed and increase as needed for smooth cutting