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Ring Magnets

ring magnetsRing magnets are flat circular magnets (similar to disc magnets), but with a hole through the center.
Ring magnets are measured by the outer diameter (OD), inner diameter (ID) and thickness (T).
The outer diameter measurement is always greater than the thickness. 

Uses for ring magnets

Ring magnets are often used on a spindle, axle, shaft or rod. Ring magnets in this context regulate at what mechanical threshold components subject to its magnetic field can move and how fast. Components expressing insufficient mechanical intent or pressure remain stationary. Housed in linkages mediating between motors, shafts and gearing assemblages, ring magnets assist in the control of mechanical force. Ring magnets are often part of fail-safe devices, torque limiters or an overload clutch. These mechanisms are designed to protect motors and associated apparatus in jam or ‘crash stop’ events by returning equipment to a risk free state.

AMF Magnets offers two types of ring magnets:

Neodymium Ring Magnets are one of the most popular shapes of rare earth magnets. The hole in center of the magnet ensures great versatility. Magnetic rings are often used in joinery and shop-fitting as they may be recessed and screwed into position. We also have ring magnets that have a countersunk hole. Countersunk ring magnets are widely used in the construction industry for soft door closures in kitchen and bathroom cabinets.

Ceramic Ring Magnets are similar to Ceramic Discs but with a hole in the middle, which makes them a versatile magnet option. One popular application is the fishing game, tied on a piece of string, or to pick up pins and needles. Ceramic (or ferrite) ring magnets have less magnetic strength (due to the hole) but their inexpensive pricing makes them a customer favorite.

Need more information?

Feel free to contact our sales team any time if you have questions about our magnets or need help choosing the right magnet.

Below is a selection from the range of ring magnets available now in our online magnet store:

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9 Item(s)

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