40x20mm Super Strong Neodymium Disc Magnet, Powerful Magnet Disc Permanent Rare Earth Magnets for Science Project Building Fridge Craft and Office (Two Pieces)
genuine image
40x20mm Super Strong Neodymium Disc Magnet, Powerful Magnet Disc Permanent Rare Earth Magnets for Science Project Building Fridge Craft and Office (Two Pieces)
Made from super strong magnetic element, the neodymium magnets are incredibly powerful and great to handle your project or task.
40x20mm Super Strong Neodymium Disc Magnet, Powerful Magnet Disc Permanent Rare Earth Magnets for Science Project Building Fridge Craft and Office (Two Pieces)
Item #: 84394386

40x20mm Super Strong Neodymium Disc Magnet, Powerful Magnet Disc Permanent Rare Earth Magnets for Science Project Building Fridge Craft and Office

89% of respondents would recommend this to a friend

Item #: 84394386

NZD 77

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Friday, October 02
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Made from super strong magnetic element, the neodymium magnets are incredibly powerful and great to handle your project or task.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Superior Strength
These neodymium disc magnets offer exceptional holding power, making them perfect for supporting heavy objects, ideal for science projects, crafting, and office use.
Versatile Applications
Designed for diverse tasks, these magnets can be used in various settings, from home crafting to professional projects, enhancing creativity and functionality.
Durable Quality
Crafted from rare earth materials, these magnets provide lasting performance, ensuring reliability and effectiveness in your DIY projects or organizational needs.

Product Details

Shop 40x20mm Super Strong Neodymium Disc Magnet, Powerful Magnet Disc Permanent Rare Earth Magnets for Science Project Building Fridge Craft and Office (Two Pieces) online at a best price in Cook Islands. B0932RX9BV
Package Weight1.2 Pound

Who Should Buy?

Suitable For
  • Science Educators

    Ideal for experiments and demonstrations, showcasing magnetic properties and principles in an engaging manner for students.

  • Craft Enthusiasts

    Great for DIY projects, allowing creative individuals to enhance their crafts with strong holding power.

  • Office Use

    Perfect for securing notes and papers on metal surfaces, improving organization in a workspace or home office.

Not Suitable For
  • Young Children

    Not safe for small kids due to the potential choking hazard and strong magnetic pull, which can be dangerous.

Product Description

40x20mm Super Strong Neodymium Disc Magnet, Powerful Magnet Disc Permanent Rare Earth Magnets for Science Project Building Fridge Craft and Office (Two Pieces)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a neodymium magnet and how is it different from other magnets?

    Answer: Neodymium magnets, also known as rare earth magnets, are made from an alloy of neodymium, iron, and boron. They are known for their exceptional magnetic strength, making them significantly more powerful than standard ferrite magnets. Due to their compact size and high holding force, they are ideal for various applications, including crafts, science projects, and industrial uses. Their ability to maintain strong magnetism over time makes them perfect for use in office settings as well.
  • Question: What are the primary uses for a 40x20mm neodymium disc magnet?

    Answer: The 40x20mm neodymium disc magnet is versatile, commonly used in a variety of applications, including craft projects, science experiments, and even organizational tasks in offices and homes. For instance, they can effectively hold items on a refrigerator, be used in DIY projects to create powerful magnetic closures, or even support educational models in classrooms. Their strength allows for creative uses in both functional and artistic endeavors.
  • Question: Can these magnets be used indoors and outdoors?

    Answer: Yes, the 40x20mm neodymium disc magnets are suitable for both indoor and outdoor use. However, it's important to note that while they are strong, exposure to extreme weather conditions or constant water can potentially affect their performance over time. They are perfect for outdoor crafts, such as garden art, or for securing objects in outdoor workshops as long as they are protected from harsh elements.
  • Question: Are there any safety precautions I should take when using neodymium magnets?

    Answer: Yes, safety precautions are advisable when handling neodymium magnets. Due to their strong magnetic fields, keep them away from electronic devices and pacemakers. Avoid pinching fingers or skin between two magnets, as their attractive force can cause injuries. It’s also wise to supervise children during use to ensure they handle these magnets responsibly, reinforcing safe practices when working with powerful magnetic materials.
  • Question: How do I properly store neodymium magnets?

    Answer: To properly store neodymium magnets, keep them in a dry environment, away from direct sunlight and heat sources. It is advisable to place separators like paper or plastic between magnets to prevent them from sticking together, which can lead to chipping or breaking. For magnetic collections, consider using trays or containers that can hold the magnets securely while minimizing movement.
  • Question: Can I use these magnets for mounting objects?

    Answer: Absolutely, the 40x20mm neodymium disc magnets are excellent for mounting objects due to their strong holding power. They can be used to secure items like tools on metal surfaces, display decorations on fridges, or even create unique wall art setups. Their reliability in holding various materials makes them a favorite for both home organization and professional displays.
  • Question: Do these magnets conduct electricity?

    Answer: Neodymium magnets themselves do not conduct electricity as they are made of magnetic materials, specifically neodymium, iron, and boron. However, if used in conjunction with conductive materials, they can have applications in electrical engineering and motors. Always ensure that their magnetic field does not interfere with electronic devices or magnetic-sensitive equipment in your projects.
  • Question: What weight can these magnets typically hold?

    Answer: The holding strength of the 40x20mm neodymium disc magnets can vary based on the surface they are attached to and the nature of the materials being held. On ferrous surfaces, they can hold several kilograms, making them ideal for heavier applications such as securing tools or large decorative pieces. For optimal performance, ensure that the contact surface is clean and smooth.
  • Question: Are these magnets temperature sensitive?

    Answer: Yes, neodymium magnets can be affected by temperature changes. While they perform well at room temperature, excessive heat can demagnetize them, and extreme cold can make them brittle. For most home and craft applications, they’ll perform reliably, but it’s advisable to avoid placing them in environments where temperatures exceed recommended limits.
  • Question: Where can I buy 40x20mm Super Strong Neodymium Disc Magnet?

    Answer: You can buy the 40x20mm Super Strong Neodymium Disc Magnet from Ubuy in Cook Islands. Ubuy offers a wide selection of quality magnets, including this powerful neodymium option, perfect for your science projects, crafts, and office needs. With Ubuy, you can find the right tools to make your projects successful and innovative.

SPENCER SPENCER HAPPUCATION Rare Earth Magnets Editorial Review

No editorial reviews found

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9477 reviews
Read reviews
JK
Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
AG
Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
AC
Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

NZD 77

Order now and get it around Friday, October 02

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Made from strong neodymium-iron-boron alloy with stylish nickel coating
  • Ni+Cu+Ni Triple layer coated for rust resistance and longevity
  • Incredibly powerful for any project or task
  • Can be used for fastening, lifting, hanging, and various other purposes

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.