Dremel 420 screw-mount cut-off wheels
420 is a 15/16-inch wheel for the 402 mandrel.
How to choose
The small wheel can be compared for a cut near an obstruction. Compare the model’s measured profile and holder with the thinner 409 in the same documented family.
Compatibility and limits
15/16-inch cut-off wheels · standard 402 screw mandrel
Care
Before mounting the accessory, check its speed rating against the tool and use the holder specified for its shank or mandrel. Refer to the exact model instructions for the workpiece.
Questions before buying
Why is the 420 a better comparison than EZ409 for a tool already fitted with the 402?
The 420 fits the 402 and has a smaller outside diameter. The EZ409 belongs to the EZ Lock family. Check the working diameter for clearance before buying a replacement.