Magnets & Magnetic Materials

What is a killer rare earth magnet? Well, once upon a time, a copywriter put this little magnet next to his computer monitor and got really pretty, wavy, aurora-like effects. And then got a new monitor! Don't try this at home. Our shiny,...

The 5/32” bore in the center of this small plated neodymium magnet just makes it easier to mount. Measures 3/4" dia x 1/4" thick with a pull of approx 7 lbs. Works great with #6 or #8 flat head screws.

Physics project alert! This robust puppy of a magnet has dual 6V coils and stands 4" high x 3-1/4" wide, not counting the side terminals. Each coil draws 2.4A at 6VDC, and is conservatively rated for 40 Newtons (approx 9 lbs) at that voltage. Can be...

That's right, canine hindquarters fans, you can now order $14 worth of tail ends for just $7.50. You'll get (5) different pooch posteriors, plus a bonus fire hydrant, all in magnet form, ready to stick on your refrigerator door, making all and sundry...

Rare earth magnets are usually killers for their size, and these thick nickel neodymium discs are no exception. The price, on the other hand, for (3) 7/16" dia x 1/4" 5-lb lift or (2) 15/32” dia x 3/16” 8-lb lift...

You hear that? Like a deeply satisfying metallic clink? That’s the sound of a powerful round mounting magnet with a hole in the center uniting with the metal surface of your choice. The magnet is 1-1/4" dia x 1/4" thick and the hole is tight, about...

Add a door/drawer pull to any ferrous surface with this 1" dia x 1/4" thick neodymium disc in a polished sleeve with a 3/16" dia hole in a stand-off. Comes with a 1" slip-ring attached, and hangs on for 22 lbs worth. Plenty handy for hanging stuff from...

One of our coolest recent magnet acquisitions. You’re welcome. This one is coated white and in the general shape of a tombstone with a flat bottom, straight sides and a rounded top. Measures just shy of 2” x 2” and about a 1/4”...

Kitchen conversions are easy with this 3" x 4" deluxe American Science & Surplus fridge magnet that lists everything from a tablespoon to a cup with the equivalent in ounces, tablespoons, teaspoons, milliliters and fractions of a cup. If your kids...

Sculpt your own creations! Each set these magnetic sculptures includes a 3.5 x 2.75 inch magnetic base and assorted metal icons. Assortment of different styles, including acrobats, balls, celestial, money, nuts and golf. We'll send you (2) different in...

Although they work best next to steel. You’ll get a whole bunch (that’s 25) of ceramic magnets at 3/4” dia and either 1/4” thick or 3/16” thick. Some packs might have a center bore approx 1/4”, and some might be solid...

Beautiful refrigerator magnets, all set to be imbedded in your child's best ever creation for refrigerator work. Six file card holding power, 3/4" dia x 3/16" thick ceramic with beveled edges to minimize chipping. They don't come much better than that!!

Pair of alnico bar magnets, each 7/16" x 1/4" x 3". Magnetized end to end with the North pole marked, the North end painted red and the South pole painted blue. Come with a pair of keepers and a wood separator bar.

N52 1 in x 1/2 in x 1/2 in Neodymium Block Rare earth magnets are the world's strongest magnets. All magnets are not created equal! They even look pretty and have about a 40 LB lift on flat surfaces and are rated at 14000 gauss.

Beats us, frankly, but this black plastic cover, 1-3/4” x 1-1/2” x 1/4” (not unlike a tiny toilet seat cover) is hiding a really nice 1” dia x 1/8” (think: quarter size) plated neodymium magnet, with at least a 8-lb pull,...

It’s a scientific breakthrough! Oh, wait, no, it’s a rare-earth magnet encased in white plastic. Great for holding notes on your white refrigerator without clashing. Measures 1-1/4” x 3/8” x 5/16” and also has a piece of...

This plated N52 14,200 gauss neodymium magnet is shaped like a miniature silver ingot, measuring 1-1/2" long x 1/2" wide x 1/8" thick. Has a big hangonability quotient, which the manufacturer claims is 15 lbs of pull, meaning it's probably closer to 13...

Can't beat a classic. These uncoated ceramic donut magnets have a 1-lb pull, which makes them dandy for classroom or refrigerator use. They measure 1-1/4" dia x 3/8" ID x 3/16" thick and are polarized on the faces. You get a wrapped roll of 29 donuts.

Looking for a very, very, very long refrigerator magnet? At 15 ft, this 3/8" wide x 1/16" thick magnetic strip should just about go up one side, across the top, and down the other side. It's flexible, but can be broken if bent back against itself --...

Ceramic magnets, 15/16" dia x 3/16" thick. One side has a 5/16" sq that goes through to a steel plate is octagonal, 9/16" across with a 3/16" dia hole in the center. The plate allows flexible mounting of the 3/4 lb lift magnet. The other interesting...

Ferrite ceramic magnets can be quite powerful and have excellent resistance to demagnetization. These rectangular ones are no exception. Add the power of surplus and we'll give you a bunch of these mighty-mites at an uber-bargain price. Measures 1-7/8" x...

Voted most likely to attract by the judges, this magnet has the relative strength of 10 men. A shiny silver 1/2" cube of neodymium magnetism, it packs approx a 15-lb pull. If our boss Pat were that strong he could lift 2,160 lbs! Besides its superpower...

We just want to celebrate…this magnet. (Classic rock fans, you’re welcome for the references.) This plated rare earth cylinder magnet measures 9/16" x 11/16" with a 5/16" x 3/8" slotted hole (we think that’s what it’s called) in...

One of our longest tenured surplus items, this dandy donut is 74mm dia. x 14mm thick with a 30mm hole. Very strong and well pedigreed - in fact, its kin are activating pacemakers. They are of a high permeability ferrite material with a lovely light blue...

Like Wonder Woman, this nickel-plated rare earth magnet is pretty and extremely powerful. It’s a 3/4” square x 1/4” thick neodymium magnet with an 8-lb pull and a better-than-usual plating job.

Nice rare-earth neodymium disk magnet, 1" dia, about the same as a quarter but over twice as thick at 4mm. Rare-earth magnets are permanent and powerful, and this one has approx 7 lbs pull, and always will. Comes with a galvanized metal keeper approx 2"...

Okay, it isn't the cheapest magnet in the warehouse - but we pulled about 35-40 pounds with this 4-7/8" x 1" x 3/4" ceramic magnet,  and we think it's a bargain. It has a 6" bracket with mounting holes on 5-1/2" centers, plus a 1/2" ID eyehook...

Our old buddy Rod was quite the magnet—mostly for trouble and Johnny Law—so we can’t help feeling nostalgic as we grip this 4” x 3/8” alnico rod magnet. Because of their temperature stability and relatively high magnetic...

We're liking this little plated N45 neodymium magnet because it will stand on end and stick out very prettily on the ice box. Measures 1" tall x 1/4" square with a hefty, for its size, 3-1/2 lb pull, 13,800 gauss. (Will also lie down on its side, of...

This is your chance to own a genuine cow magnet. Fed to cows by vets and farmers to attract the odd metallic parts of cows' diets (they tend to scarf up nails, staples and other stuff with the grass) and prevent bovine traumatic reticuloperitonitis, also...

Our very first pink camo sheet magnets. (Pink camo was originally made to hide things in butcher shops, but it didn’t sell well.) You’ll get (3) sheets at 12" x 9" in fridge-magnet thickness and strength which translates to intended for...

Make your own magnets with our flexible, cut-able 8-1/2" x 11" sheet of 1/32" thick magnetic rubber sheets. Arts and crafters dream come true. The super cheap price means the diffraction (rainbow) surface is probably coming off (Surplus is wonderful),...