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The multi-pole 6-pole sintered ferrite ring magnet is a circular magnet with a hole, the grade is Y30, the specific size is 25mm outer diameter, 13mm inner diameter, and 5mm thickness. The direction of magnetization is radial 6 pole, or axial magnetization can be selected. Gauss is less than 2000Gs. Ferrite magnets have no coating, the color is black, and the tolerance is generally ±0.1mm. But sometimes we can strictly control tolerances, if the shape is simple, or if there are special needs.
In general, ferrite magnets do not need to be coated or electroplated to seal, depending on the excellent oxidation resistance and corrosion resistance of ferrite. Moreover, ferrite magnets have good high temperature resistance and can work at a high temperature of 250 ° C without affecting performance. It is a good option to reduce costs. If your magnet strength requirements are less than 2000Gs, ferrite rings are also a good choice. Generally can be widely used in loudspeakers, audio, motors, fans, toys and crafts, is currently the most widely used permanent magnet material.
If you need other sizes of ferrite ring magnets, you can contact us directly, thank you.
More other shape sintered ferrite magnet：
Round ferrite magnet with small holes Dia 20x25x30 mm
Thickness 3mm Ferrite Circular Disc Magnets
Small block ferrite magnet Y30BH L2mm x 1.5 x 2mm
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 purchase buy large size ferrite ring magnets, please contact the courage magnet manufacturer in China. We can provide 150/180/190/200/210/220/240/260/300mm and other large size ferrite rings, which are widely used in industries, speakers and other fields. Welcome to inquire about the price....
This is a radial magnetized isotropic ferrite ring with grooves on one side of the magnet so that it can be used in a wider range of applications, the actual dimensions of the magnet are 17.2mm OD, 6mm hole, 7mm thickness, we have stock to supply, if you are interested in this product you can send an inquiry to us for price....
This product is a ferrite block magnet with a length of 40mm, a width of 25mm and a thickness of 10mm. It is magnetized in the default thickness direction, the surface is untreated, the vertical pulling force is about 1kg, and the certification is complete. It can be exported to various countries. Website customer service, thank you....
This product is round ferrite magnet with a diameter of 9mm and a thickness of 3mm, the performance class is Y30, magnetized in the thickness direction, without electroplating protective layer, the magnetic force is usually 700-1000gs, the working temperature is -40°C to +250°C, Suitable for sensors, suction parts, electrical appliances, Hall induction....
The sample shows a length of 46mm, width 21mm, thickness 10mm rectangular (bar) ferrite magnet, each anisotropic Y30 grade, there is a small pit on the surface of the magnet, in the fixed installation of the inside of the glue can be added,...
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....
This product is a ferrite magnet with a counterbore. The difference from ferrite ring magnets is the hole in the middle. The counterbore is mainly used with screws. Due to magnetism and processing problems, most of them choose neodymium iron. Boron counterbore instead, if you need to buy this counterbore ceramic magnet, welcome to communicate with us....
This product is a square ceramic ferrite magnet, magnetic grade is Y30, size is length 50mm, width 50mm, thickness 25mm, thickness direction magnetization. The place of production is Dongguan, China. It is mainly used for industry, machinery and equipment, and personal experiments, if you need it Please contact us to purchase this magnet, the minimum order quantity is 10 pcs....