PROXXON 28840 diamond cut-off wheel
Proxxon 28840 is the smaller 20 mm diamond wheel in the documented family.
How to choose
The smaller diameter matters when the work has little clearance. Confirm the specified mandrel shaft separately from the wheel’s outside size.
Compatibility and limits
20-mm diamond cut-off wheel · match the specified MICROMOT mandrel shaft
Questions before buying
When should I compare the 28840 with a larger diamond wheel?
Choose the 20 mm size when clearance is limited and its documented mount fits. A wider wheel such as the EZ545 uses a different holder and needs more space around the cut.