General description The Halls MC High-Speed Steel Step Drill is designed for easy hole size drilling in sheet metal. It features multiple parallel cutting steps, allowing you to drill various hole diameters with a single tool. This drill is suitable for use on sheet metal up to a maximum thickness of 4mm. Technical specifications Size range: 4mm to 30mm in steps of 2mm Number of steps: 14 Maximum material thickness: 4mm Shank size: 13mm Compatibility and accessories Compatible with standard drill chucks with a 13mm shank Use with coolant when drilling metals to prolong tool life and improve performance Installation Insert the shank into the drill chuck and tighten securely Ensure the drill is set to appropriate speed for metal drilling Usage Use on sheet metal up to 4mm thick Start drilling at a low speed, gradually increasing as needed Use coolant to prevent overheating and extend tool life Other information