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Magcraft NSN0601 1/4-Inch by 1/10-Inch Rare Earth Disc Magnets, 50-Count by Magcraft
Product DetailsManufacturer: Magcraft Model: NSN0601 Color: Silver Product 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)
Tools and Hardware Reviews of Magcraft NSN0601 1/4-Inch by 1/10-Inch Rare Earth Disc Magnets, 50-CountCustomer Review: Small and Mighty...and mighty small Summary: 4 Stars
Whoa is the first word that came out of my mouth when I first took these little magnets out of the package. The pull is so strong it seems nothing short of magic and the way they repel each other is just as amazing. I played with these for a while because it's just hard not to and then I inspected for any chips/cracks and found none. I do realize how that could be possible because they will smack together pretty hard. Yes they can pinch. These are very small and very strong and it would not be appropriate to let very young children play with these.
To give you an idea of their strength, I found that you need only 1 magnet to hold 8 sheets of your average printer paper on the refrigerator. If you are considering getting these to hold items on your fridge you need to understand that due to their very small size, they are hard to pick up with your fingers. If you have long fingernails or arthritis-fuhgetaboutit. For me, removing one magnet from off the fridge means I need to slide it over to the edge to get a little better grip. That being the case, you should really consider some other option if you have a stainless steel fridge because it could leave scratches if one is not careful.
Like an other reviewer, I added only 1 magnet to a small cheapy pen and it holds nicely. I can even toss it across the kitchen to the fridge and am amazed how the pen sticks.
This is an exceptional value for the amount of magnets you get for the price but just understand that if you'll be using these on a regular basis to add the kids' artwork to the fridge as an example, I'd consider getting the larger ones that are easier to handle. Or, just wrap a few of these babies in a square piece of duct tape which will provide something to grab onto as well as protect the finish of the magnet and whatever you are sticking this on. It might be a little ugly but it does the job.
Another great trick is using these magnets as a stud finder. I stick several of these together like a pencil (easier to hold) and go over the wall and this does an amazing job at quickly, easily and cheaply locking onto any sheet-rock screws. I'll put this method of finding studs up against a 50 dollar stud finder! When it crosses a screw, the pull is unmistakable.
...and something else---two magnets on the earlobe looks like earrings...yeah, I had to try that as well just to see. The pull even through the lobe is strong and quickly becomes uncomfortable. These are fun and I'm sure you'll come up with your own "job" for these to handle and when you do, please share it with us.
Description of Magcraft NSN0601 1/4-Inch by 1/10-Inch Rare Earth Disc Magnets, 50-CountRare 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 0.250 inch (6.4mm) diameter and 0.100 inch (2.5mm) 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 2 lbs. Maximum working temperature is 176 F (80 C). Magnets may chip and crack if allowed to snap together Magcraft rare earth disc magnets are neodymium iron boron (ndfeb). They are 1/4-inch by 1/10-inch, grade - N40 and their dimensional tolerance is - +/-0.005 inches. The plating is nickel-copper-nickel and their maximum working temperature is 176-degrees fahrenheit (80- celsius).
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