This product is a round magnet with a diameter of 30mm, Supplied by Courage Magnet Manufacturers in China, which is larger than a one-yuan coin. The specific size is 30mm in diameter and 3mm in thickness. , machine models, pasted on the back of cards for teaching purposes, or to make various refrigerator magnets, etc.
Sample real pictures;

Hot sale round ferrite magnet size: D8*3mm D8*4 D10*3 D10*4 D10*5 D12*3 D12*4 D12*5 D15*3 D15*4 D15*5 D18*3 D18*4mm D18 *5 D20*2 D20*3 D20*4 D20*5 D25*3 D25*5 D30*3 D30*5……
A little thicker size is recommended;
30mm x 8mm heavy duty industrial black disk farrite magnet
More articles on ferrite magnets;
Ferrite grade, sintered ferrite magnetic property parameter table
NdFeB magnet grade, Sintered neodymium magnet performance grade parameter table
Neodymium(Ndfeb) Magnet Material Safety Data Sheet
Sintered Ferrite Material Safety Data Sheet Pdf
Magnetic properties grade parameters of smco rare earth magnets
To buy round ferrite magnets, welcome to contact Courage permanent magnet manufacturers in China, our company has many sizes of ceramic round, block, arc, hole ferrite magnets, factory direct sales, low price, welcome Inquiries from customers all over the world....
This is a radial 2-pole ferrite rotor magnet, the outer diameter is 9mm, the height is 10.4mm, the inner hole is oval, it has low cost, high temperature resistance, and the maximum surface magnetic field strength is about 1130 Gauss. Welcome to consult the sample and price....
7.4x6x5mm Ferrite Small Block Magnet Introduction,Material: Hard Ferrite (Ceramic),Shape: Block / Rectangle / Bar,Coating: No Coating,Grade (Chinese Stardard): Y30,Operating temperature: -40°C to 250°C,Delivery time: 7-15 days,Magnetization direction: thickness....
The sample is a regular radial magnetized ferrite circular magnet with a diameter of 5mm, a thickness of 2mm, a black surface, and an anisotropic grade. It is magnetized radially and has strong side magnetism, with a surface magnetic field intensity of about 750 Gauss....
This product is a round ferrite magnet with a diameter of 10mm and a thickness of 5mm, produced in China, without any surface treatment, axial magnetization, performance level Y30. Single/double chamfering, spray painting and baking varnish can be customized according to customer requirements. Welcome to inquire about samples and prices....
This is a rectangular block magnet used on the door magnetic alarm. The material is ceramic ferrite. The size is 25mm in length, 6mm in width and thickness. It is magnetized in the length direction, and the strong magnetic surface is 6x6mm....
This is a ferrite bar magnet approximately 6 inches in length, with dimensions of 150×50×10mm. It is made from sintered ferrite material (Y30) and features excellent high-temperature resistance and stable magnetic properties....
This product is a polished ferrite magnet, round shape, It looks very beautiful, all magnet products of our company support customization, such as shape, material, size, magnetic properties, we will do our best to meet customer needs....