Ferrite, Samarium Cobalt and AlNiCo magnets are usually uncoated because they do not rust/oxidise. Neodymium magnets are available uncoated but this is not common.
Uncoated AlNiCo Magnets
No coating or electo-plating
Prices From:
$0.212
-
$0.608
Prices From:
$0.503
-
$1.838
