12.5x5x5mm Ring Magnets

SKU: 44607-5

$2.90USD or lower Each

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This permanent ring magnet measures a 1/2" in diameter and with a hole and thickness measuring 1/4".

 

We have sold NdFeB magnets since 1996 and N42 grade since 2003, the best value for strength & temperature vs cost. Don't be fooled by claims of higher strength, N52, at lower cost.

Read the complete Google Customer Review for: "...(Indigo) N42 Neodymium magnets...the real deal…bought magnets on Amazon advertised as N52… another cheap Chinese fake"

We also provide complete Documentation including MSDS & ROHS; see below.
Out of Stock Until: 2025-10-01
Details Specs Docs Reviews Related Products
Details

The Mark I Magnaprobe can respond to as little as 0.3 gauss & will detect weaknesses in magnetic shielding. The Mark II Magnaprobe is a fast & convenient way to confirm magnet are positioned with their poles pointing correctly.

Related information or images
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Specifications
SKU:44607-5;     Size:OD12.5 x ID5 x 5
Pull Force in Pounds & Kilograms at different distances (mm) above Magnet
Distance (mm): 0 0.1 1 10
Pounds 8.05 6.68 3.15 0.07
Kilogram 3.66 3.04 1.43 0.03

 

Click on N42 Magnet Specifications for a table that lists general characteristics such as coercivity & remanence.

Click on N42 Magnet Tolerances for a table that lists the range of variation in thickness, diameter, etc.

Click on American vs Metric to see a table with conversions & as well as rounded mm equivalents closest to inch sizes.

Documentation

Magnet Documentation
Drawing Compliance MSDS ROHS Graph REACH
Magnet Technical Diagram Certificate of Compliance MSDS ROHS N42 Graph REACH Document
Reviews (2)
2020-09-30
As advertised, shipped quickly and free of damage, good cost. Not much more that you can ask for.
— Steven
2017-10-07
Shipping is fast Item received as expected Price is good too
— Roger
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