100 pcs.Neodymium Super Magnets 1/8 in x 3/8 in Cylinder N42 Shipping is FREE!
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Complete your Magnet Building Set OneHundred Neodymium - Rare earth - super magnets Neodymium super magnets, a type of rare earth magnets, are the permanent magnets made from neodymium, iron, boron and other minor elements. Strong Neodymium Magnets Grade N42 , stronger than N40, N38 and N35 13200 gauss Nickel-Copper-Nickel triple layer coated for maximum neodymium super magnets durability and protection against corrosion Neodymium Super Magnets 0.125" x 0.375" Thick 1/8” X 3/8” Rare Earth Cylinder Magnets Magnetized through the Thickness 0.5" Approximate pull force 1.5 lbs. Free Shipping! Ship, same day you pay. Please Read Hazards at Bottom Rare-earth magnet From Wikipedia, the free encyclopedia Rare-earth magnets are strong permanent magnets made from alloys of rare earth elements . Developed in the 1970s and 80s, rare-earth magnets are the strongest type of permanent magnets made, substantially stronger than ferrite or alnico magnets. The magnetic field typically produced by rare-earth magnets can be in excess of 1.4 teslas , whereas ferrite or ceramic magnets typically exhibit fields of 0.5 to 1 tesla. There are two types: neodymium magnets and samarium-cobalt magnets . Rare earth magnets are extremely brittle and also vulnerable to corrosion, so they are usually plated or coated to protect them from breaking and
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