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10mm x 2mm N42 Neodymium Disc Magnets – Strong Rare Earth Magnets (100 Pack)

Quick Facts

Attribute Value
Magnet Type Neodymium Rare Earth Disc Magnet
Grade N42
Shape Disc
Diameter 10mm (0.394")
Thickness 2mm (0.079")
Pull Force Compact, high-strength holding power*
Material NdFeB (Neodymium-Iron-Boron)
Coating Nickel-Copper-Nickel (Ni-Cu-Ni) Triple Layer
Magnetization Through Thickness
Certification ISO Certified
Quantity 100 Magnets per Pack

*Note: Pull force varies depending on the application, steel thickness, and contact surface.


Quick Answers

Question Answer
How strong is this magnet? These compact magnets provide impressive holding power for their size and are ideal for light to medium-duty applications.
What is this magnet made of? NdFeB (Neodymium-Iron-Boron) rare earth material.
Is this stronger than ceramic magnets? Yes. Neodymium magnets are significantly stronger than ceramic magnets of the same size.
Can it be used outdoors? Yes, but additional sealing is recommended for long-term exposure to moisture or harsh environments.
What is it commonly used for? Refrigerator magnets, crafts, magnetic closures, organization, hobby projects, and office applications.

Product Overview

These 10mm x 2mm N42 Neodymium Disc Magnets offer exceptional magnetic performance in a compact size. Although small, they provide impressive holding power that makes them suitable for a wide variety of everyday, commercial, and hobby applications. Their versatile dimensions make them ideal when you need a discreet yet dependable magnet.

Manufactured from premium N42 grade rare earth neodymium, these magnets deliver consistent performance and long-lasting strength. Whether you're organizing notes on a refrigerator, building custom projects, or creating hidden magnetic closures, they provide reliable holding power while remaining easy to handle.

Each magnet features a durable Nickel-Copper-Nickel (Ni-Cu-Ni) triple-layer coating that helps protect against corrosion, scratches, and chipping while providing a smooth, polished metallic finish.

Each package contains 100 magnets, conveniently bundled for easy storage and use.


What Is a Neodymium Disc Magnet?

A neodymium disc magnet is a circular permanent magnet made from NdFeB (Neodymium-Iron-Boron), the world's strongest commercially available magnetic material. Disc magnets are magnetized through their thickness, placing the north and south poles on the two flat faces to maximize holding performance.

Their compact size and powerful magnetic field make them ideal for office organization, crafts, woodworking, electronics, displays, packaging, and countless DIY projects.


How Strong Is This Magnet?

Despite measuring only 10mm x 2mm, these N42 neodymium disc magnets produce excellent holding power for their size.

Their larger diameter provides a generous contact area, while the 2mm thickness delivers dependable magnetic strength for lightweight to medium-duty holding applications. Actual pull force varies depending on the steel surface and mounting conditions.


Technical Specifications

Specification Value
Magnet Type Neodymium Rare Earth Disc Magnet
Grade N42
Shape Disc
Diameter 10mm
Thickness 2mm
Material NdFeB (Neodymium-Iron-Boron)
Coating Nickel-Copper-Nickel Triple Layer
Magnetization Through Thickness
Certification ISO Certified
Quantity 100 Magnets

Nickel-Copper-Nickel Triple-Layer Coating

Every magnet is protected by a Nickel-Copper-Nickel (Ni-Cu-Ni) triple-layer coating for enhanced durability and corrosion resistance.

Benefits

  • Excellent scratch resistance
  • Superior protection against chipping and cracking
  • Improved corrosion resistance
  • Smooth, polished metallic finish
  • Long-lasting performance for everyday use

Magnet Grade Comparison

Grade Relative Strength Typical Applications
N35 Standard General purpose
N38 Moderate Consumer products
N40 High Industrial
N42 Higher Engineering, woodworking, general-purpose applications
N52 Maximum High-performance applications

Disc Magnet Size Comparison

Size Typical Use
Small Crafts, sensors, miniature electronics
10mm x 2mm Refrigerator magnets, organization, hobby projects, magnetic closures
Medium General holding and woodworking
Large Industrial mounting and fabrication

Applications by Industry

Industry Common Uses
Office Holding notes, photos, calendars, and reminders
Education Classroom displays and STEM projects
Manufacturing Light fixtures and positioning
DIY & Hobby Crafts, models, and custom projects
Home Magnetic organization and hidden closures

Common Questions About This Magnet

How many magnets are included?

Each package contains 100 neodymium disc magnets.

Are these stronger than ceramic magnets?

Yes. N42 neodymium magnets provide significantly greater magnetic strength than ceramic magnets of the same size.

Can they rust?

Like all neodymium magnets, they contain iron and may corrode if the protective coating becomes damaged or exposed to moisture for extended periods.

Can they be used outdoors?

Yes. For long-term outdoor or marine applications, additional sealing is recommended.

What direction are they magnetized?

These magnets are magnetized through their thickness, with the north and south poles located on the two flat circular faces.

Do you offer bulk discounts?

Yes. Contact Super Magnet Store for wholesale pricing and volume discounts on large quantity orders.


Why Buy From Super Magnet Store?

  • Premium NdFeB rare earth magnets
  • ISO-certified quality
  • Consistent magnetic performance
  • High-strength N42 grade
  • Durable Nickel-Copper-Nickel triple-layer coating
  • Convenient 100-pack quantity
  • Competitive wholesale pricing
  • Bulk discounts available
  • Trusted supplier serving industrial, commercial, educational, and DIY customers worldwide

Frequently Bought Together

Total price$ 105.45

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    • 5 stars: 14 (78%)
    • 4 stars: 4 (22%)
    • 3 stars: 0 (0%)
    • 2 stars: 0 (0%)
    • 1 star: 0 (0%)
    C
    Chaosta
    3d printing must have

    Works great for 3d printing like holding masks together, quite strong

    D
    DD
    Shipping box is ridiculous

    I'm giving the actual product the stars it deserves, but gosh Amazon. Do better with shipping waste. Did we really need this big box for a tiny package of magnets!?

    A
    Alex
    3d Printing

    These 8x2mm magnets are a staple for my 3D printing work. I use them primarily for magnetic closures on figures and modular parts. They fit well in standard 8mm cavities, though I recommend adding a tiny bit of clearance in your CAD files just to be safe.The pull strength is excellent for their size, providing a secure snap without being so aggressive that it risks damaging smaller, delicate plastic components. They are easy to secure with a drop of cyanoacrylate glue, or they work perfectly if you want to use the pause-at-height technique in your slicer to embed them directly into the print.The 100-pack offers great value, and the magnets arrived consistent in size with no duds. Highly recommended if you are looking to add articulation or modularity to your prints.

    D
    Daniel Evans
    Powerful little magnets!!!

    Very strong for the size !!!

    S
    Sal
    Good maggies

    Used some of them for my 3d prints helmet and stuff. Pretty strong magnets. Maybe you can find a bit better price elsewhere but these do just fine.

    N
    NancyB
    Surprisingly strong!!

    These are quite small, yet crazy strong. I make magnets from resin and they are perfect for this.

    D
    Dave, Boston
    Good magnets to use for dress shirt collar stays

    use these as collar stays on my dress shirts. They hold well and work as expected.

    S
    SleepieNinja
    Good hobby magnets

    Magnets are strong and durable.. No breaks in over 60 used in different projects and applications Sized correctly

    H
    Herb
    They work great

    The work great

    C
    Christian
    Strong

    Well, what can I say, there magnets lol. I like em though. They look to be well made and they are strong for their size, thats for sure. 80 of them for 8 bucks, id say is a pretty good deal.Thank you

    S
    Shelly G
    Works as expected.

    Works as expected and I use it on my fridge. Pretty small so be careful to make sure no babies/toddlers are do not get ahold of it. It holds up papers pretty well and I like how its not big like the normal fridge magnets.

    S
    Stephanie
    Strong and easy to use

    The perfect little magnet for making decorative refrigerator magnets. Strong and easy to use, they hold small items well

    E
    Excelente producto
    Excelente

    Excelente

    R
    R. Lee
    Great magnets ! Great price !

    These are great ! Very strong for the small size. I payed $12 at the hardware store for a pack of 12. Great value.

    Y
    Yazan
    YES!! Very close to 2mm height.

    Thank you for your honesty! They measure about 1.96mm thickness, which is super close to 2mm! And thanks for the vinyl touch in the packaging:)Will buy again later (probably in bulk).I suffered from very bad tolerances on other listings, they were much thinner than listed, but this is actually accurate and honest. Glad I found it! 🥳

    D
    DWReviews
    great magnets for the price

    great for adding to 3d prints. 2mm thickness lets me hide them inside prints easily. magnet strength is good enough to handle 2mm thick overlay and still grab other magnet. works well.

    J
    Jaim
    Fantastically easy and effective!

    These cord wranglers work SO well! The magnets are strong and the cord is elastic so it can fit nearly every bundle size. Quick to use, non complicated and so much easier than Velcro or similar products. I love these and will be getting more for my straightening iron and other appliances.

    D
    Dean
    They're magnets, didn't do what I was intending tho... (updated)

    Update:I've been using these in 3D printed (toolholder) parts to keep parts in place and they work great for that. Keep in mind that they're small so you might need to use more than one do the job. Returning the star I nicked earlier.Original:I have an old 4-in-1 screwdriver (two ends with two +/- bits) that was not gripping the bits well after centuries so I thought maybe put one of these in the well to help out. Well either the driver is shorting out the magnetic field or these are too weak, but not doing what I was hoping. ( :-{But they may be useful in the future, so into the magnet stash they go!