In a nutshell
The right choise for
With the DREMEL 420 emery cut-off wheels, you tackle demanding cutting and slotting tasks with ease. Featuring a 1 mm thickness and a 24 mm diameter, each heavy-duty wheel delivers dependable stability when slicing through hard materials such as hardened steel, cast iron, copper, sheet metal, and plastic. Effortlessly trim bolts or cut a fresh slot into stripped screw heads for easy removal. Designed to work with the Dremel 402 screw mandrel, they operate at speeds up to 35,000 rpm for clean, straight edge cuts. This convenient pack of 20 wheels ensures you always have plenty of reliable cutting power ready in your workshop.