Description
New 100Pcs 20x3mm Neodymium Magnet with 3mm Hole NdFeB Super Strong Craft Countersunk Round Ring Magnets DescriptionDescriptions:100Pcs Neodymium Magnet 20x3mm NdFeB Super Strong Craft Countersunk Round Ring Magnets
Specifications:Shape: RoundMaterial : NdFeB magnetSize(DX H): 20mm x 3mm
Hole Dimeter: 3mm
Quantity: 100pcs Features:- Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth metal and forms one of the Lanthanides series. When added to Iron (Fe) and Boron (B) (chemical formula Nd14Fe21B) the resultant magnets are the Strongest magnets currently available.- Neodymium magnets are sometimes known as Neo, Neod or NIB magnets.- Neodymium magnets are usually coated Nickel-Copper-Nickel plating to prevent the iron from rusting.- Neodymium block magnet was made of NdFeB, have strong magnetic performances and appearance does not rust, usually placed in room temperature, the maximum operating temperature is 80 °C , and it never will demagnetization. Applications:1.Acoustic Field: the speaker, receiver, microphone, alarm, stage audio, car audio and so on.2.Electronics: permanent magnetic actuator vacuum circuit breakers, magnetic relays, meter, meter, sound meter, a reed switch, sensors.3.Electrical Field: , CD / DVD-ROM, generators, motors, servo motors, micro-motors, motors, vibration motors.4.Machinery and Equipment: magnetic separation, magnetic machinery.5.Healthcare: medical equipment, magnetic health products and so on.6.Other industries: magnetized Wax, pipe descaling, magnetic fixture, automatic mahjong machine, magnetic locks, doors and windows magnetic, magnetic luggage, leather magnetic toys, magnetic tools, gifts and packaging. Package Included:100Pcs x magnets More Details:
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