Pot magnet with good clamping force and a centrally tapped screw hole make it perfect for a variety of projects.
21-15472 - Pot Magnet 9.5mm with M3 Thread
21-15474 - Pot Magnet 12.7mm with M4 Thread
21-15478 - Pot Magnet 20.5mm with M6 Thread
21-15480 - Pot Magnet 27mm with M6 Thread
Excellent. Product was as described and works great. I will buy from MCM again.