Custom Sizes
From miniature to industrial-scale magnets tailored to your exact specifications
From hobby builds to professional projects, MAGNEZMATIC delivers the sizes and grades you need with fast U.S. delivery.
Industry-leading customization and service that puts your project first
From miniature to industrial-scale magnets tailored to your exact specifications
Circles, rectangles, arcs, or complex geometries — we manufacture them all
N35 to N52 neodymium grades for optimal magnetic strength and temperature resistance
Volume discounts starting from 100 units with transparent pricing
2-5 business days shipping across the USA with tracking
No hidden fees — orders over $50 ship free nationwide
Certified safe for consumer and commercial use
We're a U.S.-focused supplier of neodymium magnets trusted by makers, educators, and businesses alike. Our mission is to make high‑quality magnets accessible with friendly service, fair pricing, and fast shipping.
Whether you need a few pieces or a full run, we're here to help you get it done right.
Order as few or as many as you need
Over 100 different types and sizes
Ships in 2–3 business days
California, USA
Additional fulfillment through Amazon warehouses
Quick, knowledgeable assistance for your project needs
Tolerance within ±0.05mm for consistent performance
Each magnet tested for pull force, coating, and dimensions
Everything you need to know about our neodymium magnets and services
We offer a wide range including N35, N42, N52 grades and custom sizes. You can order from a single piece to bulk quantities.
Yes! We provide fast U.S. shipping. Orders over a certain amount may qualify for free shipping. Please see our Shipping Policy for details.
Absolutely. Our customization options allow you to select sizes, shapes, and grades as needed, with no minimum order requirement.
Yes, all our magnets comply with RoHS standards, ensuring safe use in various applications.
Click on the 'Get a Quote' button anywhere on the site to fill out the form. We'll respond quickly with a tailored quote.
Our team is here to help. Get a personalized quote or reach out with any specific requirements.
Tell us about your project and we'll get back to you within 24 hours.
MAGNEZMATIC collects only your name and email address when you submit our contact form. We use this information solely to respond to your inquiries about our neodymium magnets.
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Purpose: This website provides general information about MAGNEZMATIC brand neodymium magnets and allows you to contact us for inquiries.
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Effective Date: May 24, 2024
Last Updated: November 12, 2025
Brand: MAGNEZMATIC
Email: moc.citamzengam@lagel legal@magnezmatic.com
Website: magnezmatic.com
© 2025 MAGNEZMATIC. All Rights Reserved.
Last updated:
November 12, 2025
Neodymium magnets are extremely powerful and versatile materials used in many applications — from industrial equipment to consumer products. However, their exceptional magnetic strength and physical properties require careful handling and storage to prevent injury and damage.
This guide outlines the primary safety considerations and best practices for responsible use.
Neodymium magnets (NdFeB) are the strongest type of permanent magnet commercially available. Their high magnetic energy density allows them to exert powerful attractive forces even at a distance. Despite their strength, neodymium magnets are brittle and can chip, crack, or shatter under impact or pressure.
Because of their strong fields and physical characteristics, neodymium magnets can pose unique safety hazards if handled improperly.
Neodymium magnets can attract each other or nearby ferromagnetic objects with great force. Even small magnets can snap together unexpectedly, trapping fingers or skin between them. Larger magnets may cause severe bruising, cuts, or even broken bones. Always handle with caution and maintain a safe distance between magnets when separating or assembling them.
Although metallic in appearance, neodymium magnets are made from sintered materials and can fracture like ceramic. If two magnets collide, they may break into sharp fragments that can become airborne.
Safety Tip
Always wear eye protection when handling large or strong magnets, and avoid allowing magnets to slam together.
CRITICAL WARNING
Neodymium magnets are extremely dangerous if swallowed. If more than one magnet (or a magnet and a metal object) is ingested, they can attract each other through intestinal walls, causing severe internal injury or death.
These magnets must be kept away from children and anyone who might accidentally ingest them. Neodymium magnets are not toys and should never be used in products intended for children.
The powerful magnetic fields generated by neodymium magnets can interfere with pacemakers, defibrillators, hearing aids, and other medical implants. They can also damage or erase magnetic data from credit cards, computer hard drives, and other electronic storage devices.
Maintain a safe distance — generally at least 12 inches (30 cm) — between magnets and sensitive electronics or medical equipment.
Neodymium magnets are coated (often with nickel-copper-nickel) to resist corrosion, but this coating can be damaged if the magnet chips or cracks. Exposed material may corrode over time, especially in humid environments.
At high temperatures — typically above 176°F (80°C) — magnets can permanently lose their magnetic strength. Avoid exposing them to heat sources, open flame, or prolonged direct sunlight.
Fire Hazard
Powdered neodymium is flammable and should never be machined or ground without appropriate safety controls.
Neodymium magnets should never be accessible to children. Their small size and strong attraction make them particularly dangerous if swallowed. Always store magnets in a locked cabinet or secure container out of reach.
Medical Device Warning
Individuals with pacemakers, ICDs, or similar medical implants should avoid close contact with neodymium magnets and maintain a safe distance at all times.
Do not incinerate neodymium magnets or expose them to high heat. When disposal is necessary, treat magnets as electronic waste and recycle through appropriate metal recovery facilities if available.
Ensure magnets are demagnetized or securely enclosed before disposal to prevent injury.
The information provided on this page is intended for general guidance only. Always follow the manufacturer's instructions, product labeling, and applicable federal, state, and local safety regulations when handling neodymium magnets.
The publisher assumes no liability for injuries, damages, or losses resulting from improper handling or use.
Questions about magnet safety?
Contact us at: moc.citamzengam@tcatnoc contact@magnezmatic.com
Last updated:
November 12, 2025
This glossary provides definitions for common terms related to neodymium magnets, magnetic properties, and technical specifications. Use the alphabetical index above to quickly navigate to specific terms.
The force required to pull a magnet away from a ferromagnetic surface. Often expressed as pull force or holding force.
A magnet manufactured with a preferred direction of magnetization. Provides higher performance than isotropic magnets.
Magnetization running through the length or thickness of a magnet, from one flat face to the opposite face.
A graph showing the relationship between magnetic flux density (B) and magnetic field strength (H). Used to characterize magnet performance.
The magnetic flux density remaining in a magnet after an external magnetizing field is removed.
A magnetization process where the entire magnet is saturated at once rather than in sections.
A protective layer applied to neodymium magnets to prevent corrosion or wear. Common coatings include Ni-Cu-Ni, epoxy, and zinc.
A measure of how resistant a magnet is to demagnetization. Intrinsic coercivity (Hci) indicates resistance under high temperatures or opposing fields.
The temperature at which a magnet permanently loses its ability to be magnetized.
A material that creates a weak opposing magnetic field when exposed to a magnetic field. Not attracted to magnets.
A magnetic pair consisting of a north and south pole. All magnets are dipoles.
The orientation of magnetic domains during manufacturing that defines the preferred magnetization direction.
A measure of the maximum energy stored in a magnet. Higher values indicate stronger magnets.
A protective polymer coating that provides strong corrosion resistance, especially in humid environments.
The total magnetic field passing through an area. Measured in maxwells or webers.
The concentration of magnetic flux in a given area. Measured in teslas (T) or gauss (G).
Magnetic field that escapes outside the intended magnetic circuit.
A unit of magnetic flux density. Commonly used for surface field measurements.
A rating indicating a neodymium magnet's maximum energy product (e.g., N35–N52). Higher numbers typically reflect stronger materials.
A device that measures magnetic fields using the Hall effect. Used to measure magnet strength and polarity.
A material that retains magnetization and is difficult to demagnetize. Neodymium is one example.
A magnet with no preferred direction of magnetization. Weaker than anisotropic magnets.
A magnet composed of thin, insulated layers to reduce eddy current losses in high-speed or high-frequency applications.
The axis along which the magnet is magnetized. Determines north and south pole orientation.
A path that guides magnetic flux through materials and air gaps, similar to an electrical circuit.
The external field applied to create or influence magnetization. Measured in oersteds (Oe) or amperes per meter (A/m).
The highest temperature at which a magnet can operate without losing significant magnetic strength.
A rare-earth permanent magnet composed of neodymium, iron, and boron. Known for extremely high strength.
A common triple-layer coating that provides corrosion resistance and a bright metallic finish.
A unit of magnetic field strength. Often used when specifying coercivity.
The surface of a magnet where magnetic flux is strongest. Typically the flat ends of a cylinder or block magnet.
The maximum force required to detach a magnet from a steel surface under ideal conditions.
Magnetization that runs outward from the center of a magnet to the circumference (or vice versa). Common in ring magnets.
Another term for residual induction (Br), indicating a magnet's remaining flux after magnetization.
The point at which a magnet's material cannot be further magnetized regardless of increased applied field.
The force required to slide a magnet across a surface before detaching.
The magnetic flux density measured directly at the surface of a magnet.
A value indicating how magnetic properties change with temperature. Neodymium magnets weaken as temperature increases.
The SI unit of magnetic flux density. One tesla equals 10,000 gauss.
Loss of magnetic strength caused by repeated shock, vibration, or impact.
The SI unit of total magnetic flux. One weber represents one tesla passing through one square meter.
Last updated:
November 14, 2025