Neodymium Ring Magnet - (OD)5mm x (ID)2mm x (H)5mm

Product code: 23023

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$0.89buy 100+ itemsand save 27%

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Neodymium Ring Magnet - (OD)5mm x (ID)2mm x (H)5mm

Product Code 23023
Pull Force* .680 kg
Weight 1 gm
Style Rare Earth Ring magnet
Coating Nickel (NiCuNi)
Direction of Magnetisation Axially magnetised thru the 5mm
Dimensions Outside Diameter:5mm, Inside Diameter:2mm, Thickness:5mm
*Measured against up to 10mm mild steel.

Magnetic Product Description:

This small rare earth ring magnet has an outside diameter of 5mm, an inside diameter of 2mm and a thickness or height of 5mm. It has a pull force of 680 grams. It is identified by the AMF magnet part number 23023.

Uses for our Rare Earth Ring Magnets:

Neodymium magnets are found in most modern-day technologies like computers, phones and audio equipment. Ring-shaped magnets are incorporated into medical devices and security systems. Neodymium magnetic material has made the development of many devices possible due to their impressive power to weight ratio, making small and compact designs possible. Reed switches in electrical equipment. for instance, can be activated by magnets in a contactless way that eliminates wear and provides fault-free, long-term repetitive performance. The position of magnets and their field can open and close electrical circuits found in sensors, warning systems and monitoring equipment and this method of operation is not compromised by the effects of dirt, grime or weather.

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NB: Ranges are indicative for product category, please check individual products for specic values within that range.

The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.

Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.

Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.