18mm od x 12mm id x 7mm thick Neodymium Ring Magnet N38 Strong Rare Earth Ring Magnets Sale (10 Pack)

Our R-18-12-07-N ring magnets are very versatile. They can be used in repelling experiments, sensor applications, loudspeaker units, and many other applications.

This product measures 18mm in diameter and 7mm in thickness and features a 8mm hole through the thickness of the magnet. It is made of a grade N38 neodymium, iron, and boron magnetic alloy blend. They are plated in a nickel-copper-nickel coating for a shiny corrosion resistant finish. Neodymium ring magnets are perfect for use as magnetic fasteners around the home or for use in commercial applications.

Please note that all neodymium rare earth magnets are fragile and require caution when installing to prevent shattering the magnet due to their brittle nature, and to avoid injury due to pinching.

Material: Sintered NdFeB. Grade N38
Pole Orientation: Axially magnetized, the poles are on the two flat surfaces
Coating: Ni+Cu+Ni 3 layer coating, the best available.
Tolerance: The tolerances of all the dimensions are +/-0.004in with coating.

PLEASE NOTE:
All magnets may chip and shatter, but if used correctly, can last a lifetime.
Keep away from pacemakers.
Not for children, parental supervision required.
COMMERCIAL USE ONLY.
If damaged please dispose of completely. Shards are still magnetized and if swallowed can inflict serious damage if magnets join inside the digestive tract.