Master Magnetics, Inc. Datasheets for Rare-Earth Magnets

Rare-earth magnets are permanent magnets made of alloys of rare earth components. Rare-earth magnets have the strongest magnetic field of most magnets.
Rare-Earth Magnets: Learn more

Product Name Notes
Made from Neodymium, the strongest permanent magnet material on the market today. Neodymium magnets have many uses, from a variety of industrial applications to an unlimited number of personal projects.
Neodymium Ring Magnet - N35¸ 0.125'' I.D. x 0.375'' O.D. x 0.06'' Thk.¸ 1.56 lbs. pull
Neodymium Sphere Magnet - N35¸ 0.5'' Dia.¸ 5.44 lbs. pull
Powerful magnet holds keys securely onto any ferrous metal surface making them perfect for storing or hiding. Magnetic keys are made with grade N52 neodymium ring magnet, embedded into metal...
Samarium Cobalt (SmCo) magnets are rare earth magnets extremely strong for their size. They are metallic in appearance, have a high energy as well as a high resistance to demagnetization.
Samarium Cobalt Block Magnet - 1" L x .5" W x .25" Thk.¸ 9.87 lbs. pull
Samarium Cobalt Ring Magnet - 0.75'' O.D. x 0.437'' I.D. x 0.25'' Thk.¸ 8.6 lbs. pull
Samarium Cobalt Ring Magnet w/ Notch - 1.375'' O.D. x 0.75'' I.D. x 0.34'' Thk.¸ 24.07 lbs. pull
Silicone Coated Neodymium Block Magnets, Neo 45, 1"L x 0.75"W x 0.25" T, 14 lbs. pull, Hole Dia. .129"
Silicone Coated Neodymium Block Magnets, Neo 45, 1.5"L x 1"W x 0.25" T, 27 lbs. pull, Hole Dia. .15"
Silicone Coated Neodymium Block Magnets, Neo 45, 2"L x 1.25"W x 0.25"T, 41 lbs. pull, Hole Dia .177"
Super Magnet Discs with Foam Adhesive, .375" Dia. x .06" Thk. (12 pcs.)