1/2 Inch Ring Magnet

Neodymium Magnets 02/04/2021

1/2 inch ring magnet

2000pcs 1/2 x 1/8 (12mm x 3mm) Countersunk Ring Magnets

These magnets have pulled several times their weight. You receive: Shape Countersunk Ring Quantity 2000 Diameter 1/2 Inch Height 1/8 Inch Grade N52.

These incredible magnets are great for anything that you would use Velcro, brass fasteners, hinges, pins, etc.

My clients range from craft companies to hobbyists to painters to carpenters to purse makers. These little magnets have MILLIONS of applications.

WARNING!

These magnets should be kept away from any animal or human who might try and eat them, they have the potential to separate and pinch intestines causing serious and life-threatening complications.

BRITTLE!

These magnets are more brittle than glass, please make sure you don’t let them slam into each other or drop onto the floor, they WILL break and I will be sad for you.

Let me know if you have any questions!

1/2 inch Ceramic-Ring-Magnets-Ceramic-Magnets

ALB Magnet Shop sells ceramic ring magnets in a range of OD/ID sizes & pull strengths. These values are calculated under the assumption that the magnet will be attached to a flat, ground 1/2" thick.

Ceramic Ring Magnets

Buy ceramic ring magnets on-line today! We carry a large inventory of ceramic ring magnets, available in a wide range of sizes, not all of which are shown on this website.

Ceramic magnets (also known as "Ferrite" magnets) are part of the permanent magnet family, and the lowest cost, hard magnets available today.

Ceramic ring magnets are similar to ceramic disc magnets, but they have a hole in the middle which makes them a versatile magnet option.

Ceramic ring magnets are commonly used in loudspeakers, for holding applications, door closures, light fixtures, torque drives, and more.

We can custom cut or machine these to your exact specifications using our in-house manufacturing facilities and a team of expert engineers.

Just let us know what you are looking for by sending us a request for a quote or contact us today, and we'll work with you to determine the most economical solution for your project.

Click here for approximate pull information.

* $300.00 total minimum order (excluding shipping & tax if applicable) - Items can be combined to reach the minimum amount.

Approximate Pull Information:

The approximate pull info listed for ceramic ring magnets is for reference only.

These values are calculated under the assumption that the magnet will be attached to a flat, ground 1/2" thick mild steel plate.

coatings, rust, rough surfaces, and certain environmental conditions can significantly reduce the pull force.

Please be sure to test the actual pull in your actual application.

For critical applications, it is suggested that the pull be de-rated by a factor of 2 or more, depending on the severity of a potential failure.

1/2 inch Neodymium-Rare-Earth-Grade-N42-Countersink-Ring

These countersunk ring magnets (N) are 1/2 inch (0.500 inches or 12.7mm) outside diameter, 3/25 inch (0.150 inches or 3.8mm) inside diameter, and 1/8 inch (0.125 inches or 3.2mm) thick.

They are magnetized through the thickness.

They are composed of grade 42 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion-resistant finish.

Their individual pull force is approximately 3 lbs.

The maximum working temperature is 176 F (80 C).

All magnets may chip and shatter, but if used correctly they should last a lifetime.

Keep away from pacemakers and children under the age of 5.

1/2 inch Neodymium Ring Magnets

1/2 x 1/4 x 1/8 Inch Strong Neodymium Rare Earth Ring/Donut Magnets N52 (20 Pack). Regular price $12 $ 12.99 USD · 1/2 x 1/4 x 1/4 Inch Rare Earth Magnets.

Strong neodymium ring or donut magnets are best for uses that require a uniform aperture through the center of the magnet.

This aperture or hole enables the ring magnets to be grouped on a camshaft, dowel, wire, or another cylindrical armor component.

As a result, our powerful ring magnets are often used in speakers, motors, pumps, and sensors;

in scale models, jewelry, arts, crafts, woodworking, and cabinetry projects;

for hanging artwork, signs, and banners; and in science and research projects.

Shop our wide selection of super-strong neodymium ring magnets below, listed in ascending order from tiny to small and medium to large.

Ring magnets are like discs or cylinders, but with a center hole. R428. 1/4" od x 1/8" id x 1/2" thick. Nickel Plated.

Ring magnets are commonly used when a mechanical attachment method is needed to secure the magnet.

We carry both straight-sided and countersunk magnets.

We can also manufacture magnets to our customers' specifications.

Neodymium Magnets of all shapes & sizes: Disc Magnets, Ring Magnets, Arc Magnets, Pyramid Magnets, Motor Magnets, Sphere Magnets, Cylinder Magnets, Square Magnets, Rectangle Magnets.

Please do not hesitate to contact us!

Fast & Reliable Delivery

In order to ensure the best service to your door, we offer competitive shipping options that we know will allow us to achieve this.

Every day we assist customers with magnet selection and design.

The need to make products smaller, less expensive, and still meet the magnetic field requirements has to lead to our ability to micro machine many shapes and sizes, as well as set up assembly lines that mean repeatability and ramp up as needed.

ALB rare earth neodymium ring magnets are up to 10 times stronger than other magnets of equal size.

That makes them ideal fasteners for a variety of arts & crafts, do-it-yourself, jewelry-making, woodworking, and other hobby and home improvement projects.

You can use these strong magnets in a wide variety of challenging applications where extreme strength and dependability are critical.

But, be careful. These magnets can jump to anything metal or back together suddenly and with surprising force.

ALB rare earth neodymium magnets, also known as NIB or NdFeB magnets, are comprised of superior grade neodymium, iron, and boron compound – and plated with nickel alloy for long-lasting durability and protection against corrosion.

When handled properly, they will hold their magnetism for a lifetime.

1/2 inch ring magnets, grade N42, measuring 1/2 x 1/8 inch (Outer Diameter x Thickness) with an approximate pull force of 5.7 lbs.

ALB 1/2 x 1/8 Inch Neodymium Rare Earth Countersunk Ring Magnets N42

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