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  • Magcraft NSN0573 3/8-Inch by 1/8-Inch Rare Earth Disc Magnets, 30-Count
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Magcraft NSN0573 3/8-Inch by 1/8-Inch Rare Earth Disc Magnets, 30-Count


Price: $13.99 & FREE Shipping on orders over $35. Details
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  • Neodymium iron boron (NdFeB) rare earth magnets
  • Grade - N40
  • Dimensional tolerance - +/-0.005 Inch
  • Plating - nickel-copper-nickel
  • Maximum working temperature - 176-Degree Fahrenheit (80-Degree Celsius)
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Home, Kitchen & Mother's Day Gift Guide Home, Kitchen & Mother's Day Gift Guide

$13.99 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

Magcraft NSN0573 3/8-Inch by 1/8-Inch Rare Earth Disc Magnets, 30-Count + Magcraft NSN0802 1/2-Inch by 1/8-Inch Rare Earth Disc Magnets, 14-Count + Magcraft NSN0732 3/8-Inch by 1/16-Inch Rare Earth Disc Magnets, 40-Count
Price for all three: $39.97

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Product Information

Technical Details
Item Weight0.8 ounces
Product Dimensions4.4 x 1.7 x 1.1 inches
Item model numberNSN0573
Item Package Quantity1
  
Additional Information
ASINB000SJ61EC
Best Sellers Rank #28,448 in Home Improvement (See top 100)
Shipping Weight0.8 ounces (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableNovember 15, 2005
  
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Product Description

Product Description

Rare earth magnets are the strongest type of permanent magnet currently made. They are amazingly powerful for their size and have innumerable uses. These disc magnets are 0.375 inch (9.5mm) diameter and 0.125 inch (3.2mm) thick. They are magnetized through the thickness. They are composed of grade 40 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion resistant finish. Their individual pull force is approximately 4 lbs. Maximum working temperature is 176 F (80 C). Magnets may chip and crack if allowed to snap together. WARNING: KEEP OUT OF REACH OF CHILDREN. This is NOT a toy. Secure magnets when unattended. Ingestion and inhalation hazard. Ingestion or inhalation may cause injury or death. Seek immediate medical attention if magnets are swallowed or inhaled. Keep magnets in this container when not in use. May affect internal medical devices such as pacemakers. Keep away from internal medical devices. Magnets are brittle. Broken magnets are sharp. May break or ignite if drilled or machined. Do not burn, drill or machine. Magnetic media and electronics hazard. Magnetic material is regulated for air transport. This product does not exceed USDOT and IATA field strength limits as originally packaged.

From the Manufacturer

Rare earth magnets are the strongest type of permanent magnet currently made. They are amazingly powerful for their size and have innumerable uses. These disc magnets are 0.375-Inch (9.5-mm) diameter and 0.125-Inch (3.2-mm) thick. They are magnetized through the thickness. They are composed of grade 40 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion resistant finish. Their individual pull force is approximately 4-Pound. Maximum working temperature is 176-Degree Fahrenheit (80-Degree Celsius). Magnets may chip and crack if allowed to snap together.

Customer Questions & Answers

Customer Reviews

Magnets are very strong.
Bkhvez
He is very pleased with them & says they work great for his purposes.
KayaNow
These are just the right size for my application.
Keith

Most Helpful Customer Reviews

17 of 17 people found the following review helpful By Palm Trees on September 16, 2009
I bought these to hold an aluminum gas door closed on my truck after the original spring broke. They show a picture of the magnets holding together through a penny so I figured I'd give them a try after using hook and loop first and having it fail due to exposure to the elements. I got the tiny 1/4 inch ones and used epoxy to clue them on the door. They worked so perfectly and I found so many other uses for them I actually ordered two different sizes to add to my collection. They are so strong that even the tiniest ones will hold through multiple sheets of paper on your fridge, I've glued them to bottle openers and also to my BBQ tools to stick right on the side of my grille. I love these things and can't believe I never discovered them before.
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31 of 35 people found the following review helpful By N. Anderson on November 18, 2008
Verified Purchase
Here's what you do: get 30 plastic push-pins like folks use on cork-boards.
Light a candle, and hold the tip of a pin over the flame for 5 seconds (be careful, etc.), then pull the heated metal pin out of the plastic with pliers. With a few strokes across a file, make sure the bottom of the plastic (where the pin used to be) is flat.
Lay out your 30 magnets, keeping a generous distance between them as they will "jump" at each other and mess up your work. Mix up some 5-minute epoxy and put a very small amount on the plastic, then squish it down onto a magnet. Repeat until you have an armada of thumbtack magnets.
Once the glue is set, carefully carry the magnets to your fridge and try them out. The magnets really like to be in a stack with one another, and may destroy the plastic you've just glued on if several are loose together. This won't be an issue once they are stuck to your fridge door.
These magnets are exactly the right size for this application, and the thumbtack handle makes them very easy to place and remove.
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13 of 13 people found the following review helpful By Fiasco on April 3, 2008
Verified Purchase
We were constantly having problems keeping all the coupons, invitations, photos, and school projects on the fridge with the cutesy, funny or freebie magnets in our arsenal. We got these to make things stay put.

And they do. These magnets are small, but they are very, very strong. Only trouble is trying to get one separated from the rest! Now all of our refrigerator art is securely fastened to the door.
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4 of 4 people found the following review helpful By J. W. Theis on November 25, 2008
Verified Purchase
I purchased these magnets with the intent to use them for attaching photos and papers to a steel filing cabinet. My goal was to find something small enough to not obscure the photos, but strong enough to hold them steady in a well-used, fast-paced environment.

These buggers certainly do the trick. To give a reasonable idea of the magnets' strength, a single magnet will comfortably hold ten sheets of paper without sliding. I think, regardless of size, users will find it difficult to remove the magnets (when applied directly to a surface) without sliding them to an edge or using a small wedge, such as (strong) fingernails, a file, etc. The magnets' appearance is as attractive as their disposition. They are moderately durable; I dropped several on my concrete floor from about 4 feet up and they weathered the event without any chips.

When I need more, these will certainly be the first in my shopping cart.
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3 of 3 people found the following review helpful By The Dragon on March 13, 2010
Verified Purchase
Our office has new furniture which is mostly steel w/o the push pin backing, so needed some magnets to hold up items. These work great. These are great for more permanent items that you keep up like pics, etc. to be less obtrusive. Also got the next size up (14 count) for heavier/thicker/more items. Also, larger ones are a bit easier to get a hold of when taking down/putting up than these small ones.
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3 of 3 people found the following review helpful By Thabuce on September 22, 2010
Verified Purchase
These are great. I purchased them to use to align my table saw. But man have I found uses for them: on the lids of my boxes (almost have to pry them open), hold tools on board (made a rack using the magnets imbedded in wood to hold wrenchs, rulers and screwdrivers. Going to buy the larger size next.

Good Product.
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2 of 2 people found the following review helpful By Bruce L. Nguyen on March 15, 2011
Verified Purchase
I had this great idea to use these to make some custom fridge magnets. I bought some wooden cabinet pulls from walmart for 2 for $2. I drilled holes on the bottom using 3/8" titanium drill bits. then i used gel epoxy to glue them to the pulls. the only reason i used the gel kind was because it said it withstood impacts better. I covered the magnet pulls with wood conditioner and gloss polyurethane. they look good and are very strong. I was worried that it would be too strong, but obviously some people here exaggerate how strong these magnet are. they are strong but cmon, i am not a strong guy and it took only moderate twisting to pry these apart from the other magnets. and the force on the fridge is pretty much what i should have expected. also not sure why some are getting their magnets in plastic tiny ziplock bags but mine came in the round plastic container shown in the photo. overall these are a great deal for size, strength and you get a 30 count. much better deal than at brick and mortar stores.

p.s. although the magent diy turned out good, i later realize walmart sells some decent magnets in their office section. they are less strong than these but not by a huge amount plus they are metal and have clips. still dont regret this purchase though, these will be handy for other things that I will eventually find uses for.
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Most Recent Customer Reviews

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Magcraft NSN0573 3/8-Inch by 1/8-Inch Rare Earth Disc Magnets, 30-Count
This item: Magcraft NSN0573 3/8-Inch by 1/8-Inch Rare Earth Disc Magnets, 30-Count
Price: $13.99
Ships from and sold by Amazon.com