5x2.5x1mm Thin Nd Block Magnet

SKU: 44221-1

$0.27USD or lower Each

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Use these 5x2.5x1mm small magnetic blocks to create your own DIY magnetic building block STEM educational toy kit. Glue them to wood, cardboard or plastic to make magnetic bricks & tiles. Great for experimenting with square or rectangular geometric shapes & design bridges, buildings, railways, elevated roads & more.

Why build your own? Off the shelf products claim to be made with phthalate free plastics or lead free painted wood building blocks but are they?  Only if you make/paint your own wood, plastic or foam magnetic blocks can you be 100% sure it's child safe.

You can complement your DIY large building with our 2.5mm small magnetic cubes.

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.
Details Specs Docs Reviews Related Products
Details

These small block magnets are not toys & should not be used by children younger than 10 to build magnetic shaped structures. Older children are certainly encouraged to use them to explore their manipulative ability & creativity in STEM related activities.

Test your creation & explore magnetism with the Mark II Magnaprobe, a fast & convenient way to confirm magnets are positioned with their poles pointing correctly.

Specifications

Magnet Characteristics

Field Strength (Gauss) & Pull Force in Pounds & Kilograms at 5 Distances Above Magnet
SKU: 44221-1      Size:  5 x 2.5 x 1mm
Distance (mm): 0 0.1 1 10 100
Gauss 3192.2 3042.0 1615.0 21.3 0.0
Lb 0.36 0.33 0.07 0.00 0.00
Kg 0.16 0.15 0.03 0.00 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.

Documentation

Magnet Documentation
Drawing Compliance MSDS ROHS Graph REACH
Magnet Technical Diagram Certificate of Compliance MSDS ROHS N42 Graph REACH Document
Reviews (1)
2016-12-20
Excellent, prompt service and very competitive pricing. Inidigo has become my go-to place for magnets. Highly recommended.
— Geof Auchinleck
— Indigo: Thanks for kind words.
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