40pcs Magnets Disc Countersunk Permanent Magnet Fastener Magnets 12mm D Disc Countersunk Pe12mmX3mm,Magnets With Holes,Countersunk Hole 4mm (Disc:12x3-4mm)

These are wonderful strong magnets. Used them to keep a locker for my kid closed and sealed. Be careful not to screw them on to tight considering they're very fragile and break easily.

I like using magnets for various things around the shop, from keeping drawers closed to hanging bits and tools on my tool wall. Previously I was gluing magnets in place where I wanted them, but being able to screw/unscrew these is much nicer than glue.

I needed something to hold an access panel, which was really just a metal return vent cover, for access behind my dishwasher (dishwasher is in an island). These worked great. Now, one magnet is not going to hold an iron I-beam, but adding more magnets just increases the strength. I doubled up the magnets in 3 spots, mostly because the vent cover had a 1/4" lip and I wanted the magnets to make solid contact with the inside of the cover. Now, these magnets are somewhat fragile which is why they didn't get 5 stars. I dropped one on the counter and it chipped a piece off. Other than that I am happy with this product.

I use these for everything. I’ve got some smaller diameters and some larger, but I keep buying more and more if these because I keep using them. They’re the Baby Bear for button magnets.

Works great