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Magcraft NSN0573 3/8-Inch by 1/8-Inch Rare Earth Disc Magnets, 30-Count | 
| Brand: Magcraft
Category: Home Improvement
Buy New: $10.99
as of 9/10/2010 01:41 CDT details
Seller: Amazon.com
Rating:  15 reviews
Color: Silver
Media: Tools & Hardware
Number Of Items: 1
Size: 0.375" D x 0.125" T
Shipping Weight (lbs): 0
Dimensions (in): 0.4 x 0.1 x 0.4
MPN: NSN0573
Model: NSN0573
UPC: 897970000730
EAN: 0897970000730
ASIN: B000SJ61EC
Shipping: Eligible for FREE Super Saver Shipping
Availability: Usually ships in 2 to 3 weeks
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| Features:
| • | 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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| Editorial Reviews:
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.
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| Customer Reviews:
Showing reviews 1-5 of 15
 Strong, but cheap August 11, 2010
Richard A. Scott (Austin, TX United States)
These things are amazingly strong, but I'm having a huge issue with them chipping if they just accidentally crash into each other. I use these as cube toys, and I previously had been using cubes that were slightly weaker. I ordered these, thinking I'd have a bit more fun with more, slightly larger ones. However, when I pass them by each other to pick them up, I'm liable to get a chip on one or to even have one snap in half. I've had them for about 20 minutes, and already I have 6 out of the 30 that are chipped or broken in half.
So, not recommended as a cube diversion. However, they are ridiculously strong.
 Unbelievably strong. July 19, 2010
Jason Armstrong (RI, USA)
These little magnets are unbelievably strong. Just one of these tiny guys will hold up to ten pieces of paper on your refrigerator. They are a must for parents of artsy children.
Great magnets April 27, 2010
Jack Cheng (West Roxbury, MA United States)
0 out of 1 found this review helpful
I waffle all the time on my purchases and it took me a while to choose the size versus quantity of these magnets. But I think I made the right choice.
These are difficult to handle, but they also work really well. Someone else on Amazon suggested gluing these magnets to the end of push pins (after heating and removing the pins). That works great and makes them easier to handle.
Lots of great magnets March 13, 2010
The Dragon (CO USA)
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.
Strongest magnets in the world! February 28, 2010
Laura Kidd (Atlanta, GA United States)
1 out of 1 found this review helpful
These magnets are fantastic; they must be the kind used in commercials where a car is suspended in mid-air. I got them to demonstrate the smallest engine using a battery, a screw and a piece of electrical wire, where the battery is attached to the flat head of a screw or nail; then the point of the screw is attached to the negative end of a battery; then a piece of electrical wire is held to the top (positive) end of the battery and when the other end of the wire touches the screw, it spins. Other magnets I've tried were not strong enough, but these are amazing. They're also well packaged.
Showing reviews 1-5 of 15
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