The 25x10mm (2.5cm x 1cm) neodymium disc magnet is one of our most powerful and super strong magnet & can work with axial flux generators. Want to demonstrate eddy current braking? Drop this magnet down a 1" diameter copper or aluminum pipe & be amazed.
Safe shopping for best bang for the buck? Here's what some of our customers have to say about us.
Ron Bennett: Fantastic support and product. Beats Amazon price with real customer service. After online order was placed, they called and and asked if I had any questions and gave clear instructions on pickup process. Order was ready and in stock and the product was of the highest quality and exactly...
Tracy Myerson: Super fast shipping, excellent prices, and great quality product! I purchased N42 Neodymium magnets, they are the real deal. I had previously bought magnets on Amazon that were advertised as N52, they were just another cheap Chinese fake. These folks sell authentic, high quality....
Ian Kelly: I've dealt with Indigo Instruments for years now. They have always been personable and very knowledgeable. Most recently I sent them a hand-drawn sketch of my interpretation of something I saw on YouTube and wanted recommendations....I couldn't be happier...
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.
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.
Field Strength (Gauss) & Pull Force in Pounds & Kilograms at 5 Distances Above Magnet | |||||
SKU: 44209-10 Size: 25 × 10mm | |||||
Distance (mm): | 0 | 0.1 | 1 | 10 | 100 |
---|---|---|---|---|---|
Gauss | 4123.0 | 4095.2 | 3833.8 | 1473.8 | 8.8 |
Lb | 37.84 | 37.33 | 32.72 | 4.84 | 0.00 |
Kg | 17.20 | 16.97 | 14.87 | 2.20 | 0.00 |
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.
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