Pot magnet with good clamping force and a centrally tapped screw hole make it perfect for a variety of projects.
21-15470 - Shallow Pot Magnet Heavy Duty 100mm M6
Heavy duty shallow pot magnet with three M6 fixing holes, high clamping force, and supplied with a removeable hook.
21-15472 - Pot Magnet 9.5mm with M3 Thread
21-15476 - Pot Magnet 17.5mm with M6 Thread
21-15478 - Pot Magnet 20.5mm with M6 Thread
I have used MCM for many years and would give high recommendation for getting the job done right.