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Realth Magnetic Cylinder with Epoxy Coating Black Neodymium Permanent Rare Earth Circular Magnets Rod for Research Industrial Purposes Educational (MR325-6B)

4.3 4.3 out of 5 stars 315 ratings
$9.99
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Dia.1/8" x 1"
Black
6
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Purchase options and add-ons

Material Neodymium
Brand Realth
Product Dimensions 3.7"L x 2.2"W x 1.5"Th
Color Black
Shape Cylindrical

About this item

  • Composition - Neodymium magnets are composed of neodymium (Nd), iron (Fe), and boron (B). The combination of these elements results in a crystalline structure that contributes to the high magnetic properties. However, this crystalline structure also makes the magnets less hard than other carbon steels.
  • Feature: The epoxy coating on the outside of the magnet has excellent properties, corrosion resistance and oxidation resistance, which makes it meet your needs and have a long service life.
  • Applications - These magnets are used for educational, research, professional, commercial, or industrial purposes that are sold or distributed to school educators, researchers, professionals, or commercial or industrial users.
  • Tips- Magnets can attract to each other with great force, so avoid dropping them or subjecting them to impacts.
  • Service - Search for Realth on Amazon for more sizes, shapes, functions, and other unique magnets. Our products are designed based on actual demands and needs and are made under ISO 9001 Quality Systems. Please contact Amazon customer service for the after-sale service.

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Realth Magnetic Cylinder with Epoxy Coating Black Neodymium Permanent Rare Earth Circular Magnets Rod for Research Industrial
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VSKIZ Magnetic Cylinder 0.24" x 0.98" Length Rod Magnets, Neodymium Permanent Rare Earth Magnets Circular Disc Crafting Stick
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Product details

  • Product Dimensions ‏ : ‎ 3.7 x 2.2 x 1.5 inches; 0.63 ounces
  • Date First Available ‏ : ‎ April 19, 2023
  • Manufacturer ‏ : ‎ Realth
  • ASIN ‏ : ‎ B0C2YQJF7K
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.3 4.3 out of 5 stars 315 ratings

WARNING:

CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

From the brand

Previous page
  2. 1

    REALTH brand found in 2018 with a shared vision: bring high-quality magnetic products to the world. Through tireless effort and continuous innovation, we quickly gained recognition in the marketplace.

    Our magnetic products includes neodymium magnets(MC25_02), rubber magnets(MLH1370), and ferrite magnets. we have always adhered to the values of integrity, innovation, and prioritizing quality first, striving to create greater value for customers.

  3. magnets

    Neodymium Magnets

    A neodymium magnet (also known as NdFeB, NIB or Neo magnet) is the most widely used type of rare-earth magnet.

  4. realth

    Rare Earth Magnets by Realth

    Neodymium magnets, invented in the 1980s, are the strongest and most affordable type of rare-earth magnet.

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    Science Magnets

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  7. Realth Magnetic Cylinder Dia. 1/4" x 1/2" Length Neodymium Permanent Rare Earth Circular Magnets ...
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Product Description

Realth----Rare Earth Magnets

cylinder
magnets

magnets
Realth

Realth brand was founded by a group of young people in 2020 with the highest passion to offer a great online shopping service on Amazon as well as allow you to achieve high-quality products in an inexpensive way; We are committed to providing immediate service, building happy homes and launching what you need on magnetic and adhesive products.

  • Multiple shapes
  • Multiple sizes
  • Multiple uses

Rare Earth Magnets

Neodymium Magnets

What is special about neodymium magnets?

Neodymium magnets are the strongest permanent magnets commercially available, anywhere in the world.

Why are neodymium magnets so fragile?

The Neodymium magnets that you use are not actually made from solid chunks of metal but are rather made by compressing a large amount of powder into blocks through a process called sintering. This is the reason they are so brittle.

  • Strong & Fragile
  • Permanent Magnets
  • Neodymium & Iron & Boron
  • Sintered & Bonded
realth
size
magnets
REALTH REALTH REALTH 1 magnets
φ20×2mm φ10-3×4mm φ35×8mm φ25×8mm φ9×12mm
Customer Reviews
4.2 out of 5 stars
1,081
4.2 out of 5 stars
93
4.3 out of 5 stars
769
4.5 out of 5 stars
195
4.3 out of 5 stars
315
Price $8.99 $16.99 $32.99 $18.04 $20.99
SHAPE Disc Ring Disc Disc Cylinder
SIZE φ20×2mm φ10-3×4mm φ35×8mm φ25×8mm φ9×12mm
MATERIAL NdFeB NdFeB NdFeB NdFeB NdFeB
Plating Nickel+Copper+Nickel Nickel+Copper+Nickel Nickel+Copper+Nickel Nickel+Copper+Nickel Nickel+Copper+Nickel

What's in the box

  • Neodumium

    • Looking for specific info?

    Customer reviews

    4.3 out of 5 stars
    4.3 out of 5
    315 global ratings

    Customers say

    Customers like the performance and coating of the utility magnet. For example, they mention it works great, is functional, and has a nice clean finish. That said, opinions are mixed on quality and size.

    AI-generated from the text of customer reviews

    Select to learn more
    PerformanceCoatingQualitySizeValue
    7 customers mention "Performance"7 positive0 negative

    Customers are satisfied with the performance of the utility magnet. They mention that it works great, is functional, and is as expected. Some customers also say that the product is neat and strong, and has no problems.

    "...1/16 inch into lid and box, covering with a disc of matching wood, worked great." Read more

    "...It worked perfectly...." Read more

    "Neat. Strong. No problems." Read more

    "Work perfect for my project. Magnetic strength is good, a little better than I was expecting for a 1/4" x 1/2" magnet." Read more

    5 customers mention "Coating"5 positive0 negative

    Customers are satisfied with the coating of the utility magnet. For example, they mention it has a nice clean finish, is neat, and cute. Some say the coating is cheap.

    "Neat. Strong. No problems." Read more

    "Nice an strong but easy to misplace" Read more

    "These are so tiny and cute!! Honestly, I didn’t read the sizes when I bought it so I was very surprised. But, it’s what I ordered." Read more

    "Nice clean finish." Read more

    34 customers mention "Quality"19 positive15 negative

    Customers are mixed about the quality of the magnet. Some mention that they are very strong and powerful for their size, while others say that they're weak and fragile.

    "...Testing them against different metals, and each other, magnets are very strong. The kind of strength you would expect out of a neodymium magnet...." Read more

    "The only bad thing about them is that they are somewhat brittle ...." Read more

    "Extremely strong for there size" Read more

    "Perfect size for my needs very strong" Read more

    7 customers mention "Size"3 positive4 negative

    Customers are mixed about the size of the utility magnet. Some mention it's an excellent size, easy to grip, and not too big or powerful, while others say it'd be too small.

    "These are so tiny and cute!! Honestly, I didn’t read the sizes when I bought it so I was very surprised. But, it’s what I ordered." Read more

    "These are tiny little magnets. They were too small for the job. I need something a little bigger to pull...." Read more

    "Excellent size. Easy to grip but not too big and powerful...." Read more

    "I ordered 1/4x1/2 size . It’s way too small for my classroom project however it can be used as fridge magnet to keep many notes attached ." Read more

    3 customers mention "Value"0 positive3 negative

    Customers are dissatisfied with the value of the utility magnet. They say it's not worth what they pay for and that the different styles of magnets have horrible magnetic pull.

    "...I use many different styles of magnets, these are horrible, almost zero magnetic pull...." Read more

    "Well they are not worth what you pay for then 2 of them have all ready broken. So total not worth it!" Read more

    "...Waste of money." Read more

    Strong and true to size
    3 Stars
    Strong and true to size
    I ordered 1/4x1/2 size . It’s way too small for my classroom project however it can be used as fridge magnet to keep many notes attached .
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    Top reviews from the United States

    J. Johnson
    5.0 out of 5 stars Strong 1 inch x 1/4 inch dia magnet
    Reviewed in the United States on May 28, 2024
    Size: Dia. 1/4" x 1"Color: SilverNumber of Items: 12Verified Purchase
    Magnets arrived intact and well packaged. Testing them against different metals, and each other, magnets are very strong. The kind of strength you would expect out of a neodymium magnet. I'm personally using them for a dungeon master screen project.
    Helpful
     Report
    Paul K
    5.0 out of 5 stars These are very powerful magnets
    Reviewed in the United States on March 15, 2024
    Size: Dia. 3/8" x 1"Color: SilverNumber of Items: 6Verified Purchase
    The only bad thing about them is that they are somewhat brittle . If you let one slam into another one , you will have a chip break off along one of the edges .
    One person found this helpful
    Helpful
     Report
    maitai
    4.0 out of 5 stars Tiny Size
    Reviewed in the United States on October 10, 2023
    Size: Dia.1/8" x 1/2"Color: SilverNumber of Items: 6Verified Purchase
    These are tiny little magnets. They were too small for the job. I need something a little bigger to pull. I gave them to a friend and he loves them, so they still went to good use.
    One person found this helpful
    Helpful
     Report
    heartsurgeon
    5.0 out of 5 stars Worked for intended project
    Reviewed in the United States on April 13, 2024
    Size: Dia. 3/8" x 1/2"Color: SilverNumber of Items: 6Verified Purchase
    Used to create hidden magnetic clasp for a box.
    I thought it might be too powerful, but after recessing it about 1/16 inch into lid and box, covering with a disc of matching wood, worked great.
    One person found this helpful
    Helpful
     Report
    Dave in AL
    5.0 out of 5 stars Very strong for their size
    Reviewed in the United States on August 11, 2023
    Size: Dia. 1/4" x 1/2"Color: SilverNumber of Items: 18Verified Purchase
    I purchased these magnets to use on my HO model railroad as uncoupling devices. I installed two magnets at each uncoupling location with one beneath each rail installed vertically. It worked perfectly. The only issue is that they are so strong that it's hard to install without them pulling each other out until the track is in place. I ended up installing the track first and then placing the magnets in holes beneath the rails. I am going to keep these type magnets in mind for any future projects.
    2 people found this helpful
    Helpful
     Report
    MAH
    3.0 out of 5 stars Strong and true to size
    Reviewed in the United States on January 12, 2024
    Size: Dia. 1/4" x 1/2"Color: SilverNumber of Items: 6Verified Purchase
    I ordered 1/4x1/2 size . It’s way too small for my classroom project however it can be used as fridge magnet to keep many notes attached .
    Customer image
    MAH
    3.0 out of 5 stars Strong and true to size
    Reviewed in the United States on January 12, 2024
    I ordered 1/4x1/2 size . It’s way too small for my classroom project however it can be used as fridge magnet to keep many notes attached .
    Images in this review
    Customer image Customer image Customer image
    Customer imageCustomer imageCustomer image
    One person found this helpful
    Helpful
     Report
    Robert Lucas
    5.0 out of 5 stars Strong magnets
    Reviewed in the United States on April 11, 2024
    Size: Dia. 3/8" x 1/2"Color: SilverNumber of Items: 6Verified Purchase
    Extremely strong for there size
    Helpful
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    Snowbird
    1.0 out of 5 stars Was too small
    Reviewed in the United States on May 29, 2024
    Size: Dia.1/8" x 1/2"Color: SilverNumber of Items: 6Verified Purchase
    This was way too small to be of use and does not match what i thought i was getting from the product photos
    Customer image
    Snowbird
    1.0 out of 5 stars Was too small
    Reviewed in the United States on May 29, 2024
    This was way too small to be of use and does not match what i thought i was getting from the product photos
    Images in this review
    Customer image
    Customer image
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    Top reviews from other countries

    Mario S Roman
    5.0 out of 5 stars Strong!
    Reviewed in Canada on January 23, 2024
    Size: Dia. 1/4" x 1"Color: SilverNumber of Items: 12Verified Purchase
    Strong and precise magnets. Good deal!
    Report
    Charlie Brown
    5.0 out of 5 stars Very strong for the size
    Reviewed in Canada on October 4, 2023
    Size: Dia.1/8" x 1/2"Color: SilverNumber of Items: 12Verified Purchase
    They hold super well for the diameter and If I were you, I would heed the instructions and not let them snap together too abruptly as the will shatter. Not from my experience though.
    Report
    M&R
    4.0 out of 5 stars Very strong
    Reviewed in Canada on January 27, 2024
    Size: Dia. 3/8" x 1"Color: SilverNumber of Items: 12Verified Purchase
    Good magnets, but two of them have already chipped through regular use. I get the feeling that more will chip.
    Report
    Kjr
    5.0 out of 5 stars How well they work
    Reviewed in Canada on October 28, 2023
    Size: Dia. 1/4" x 1"Color: SilverNumber of Items: 18Verified Purchase
    Excellent product
    Report
    RGG
    5.0 out of 5 stars Great quality
    Reviewed in Canada on September 29, 2023
    Size: Dia.1/8" x 1/2"Color: SilverNumber of Items: 18Verified Purchase
    Strong, clean magnets. Exactly as described.
    Report