7.5x2.5mm Disc Magnets

SKU: 44202-2.5

$0.80USD or lower Each

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[5] 2 Reviews | Write a Review

This little neodymium disc magnet measures 7.5x2.5mm or roughly 3/10 x 1/10" with use in applications including proximity sensors.

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

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

Specifications

Magnet Characteristics

Field Strength (Gauss) & Pull Force in Pounds & Kilograms at 5 Distances Above Magnet
SKU: 44202-2.5 Size: 7.5 × 2.5mm
Distance (mm):	0	0.1	1	10	100
Gauss	3661.0	3584.6	2802.7	141.9	0.2
Lb	2.20	2.11	1.29	0.00	0.00
Kg	1.00	0.96	0.59	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

Reviews (2)

2025-09-30

Indigo Instruments has long been my go-to for all things science in science. Whether it's for quality lab glassware and supplies or another order of genuinely small strong magnets for model building and all kinds of other uses around the house and in the workshop, their prices, customer service and products have always been first-rate. I'm just so happy to have found Indigo. Thanks!

— Jay

— Indigo:

Thank you for choosing and trusting us for your science needs.

2021-08-25

Good, strong magnets! My order arrived quickly and do the job I need them to do. I had previously ordered from Amazon but the magnets were so week as to be useless. I was happy to learn about this Canadian company! Liz

— Liz

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7.5x2.5mm Disc Magnets