General description The Halls MC High-Speed Steel Step Drill is designed to easily cut holes of specific sizes in sheet metal. Each step cuts a different parallel hole size, making it versatile for various applications. Technical specifications Size range: 4mm, 6mm, 8mm, 10mm, 12mm Number of steps: 5 Maximum material thickness: 10mm Shank size: 6.5mm Compatibility and accessories Compatible with standard drill chucks that fit a 6.5mm shank Installation Insert the drill bit into a compatible drill chuck and tighten securely Usage Use on sheet metal to create precise holes of desired sizes Always use a coolant when drilling metals to prolong tool life and improve cutting performance