We are no stranger to magnets, widely used in various industries, including cell phones, bluetooth headsets, automobiles, robots, motors, sensors, and many other products, in some application scenarios may need to customize the processing of magnets, such as punching holes, that punching holes in magnets will cause what consequences? The following will be introduced to you from the perspective of magnet manufacturers and individuals.
For magnet manufacturers, it is relatively easy to need to punch holes in magnets, because there is a full range of processing equipment and skilled workers, whether it is countersunk holes or screw holes, small holes or large holes, it is not a problem, you can see that there are a lot of holes with holes in a variety of shapes of ceramic magnets, neodymium magnets, samarium cobalt magnets in our website.
Rectangular neodymium magnets with a countersunk hole in the center

For individuals, the need to punch holes in magnets is more difficult to do successfully and carries some safety risks.
Magnets, especially neodymium-iron-boron powerful magnets, have strong magnetic force, but at the same time, they are also relatively fragile, and unsuitable tools and improper techniques can easily crack and shatter when subjected to force.
Then again, the precision cannot be controlled to meet the assembly requirements and may also produce internal cracks. Coated magnets destroy the coating are also susceptible to oxidation and corrosion, affecting longevity.
Many people may think that punching magnets is a simple DIY job, but in reality, this operation requires specialized tools and skills. Without mastering the right method, individuals may bring harm to themselves by punching holes. For example, when handling magnets, the magnets will suddenly jump due to the strong magnetic attraction, which may smash your fingers or other body parts. Also, magnet fragments or sharp edges may pose a risk of cuts.
Therefore, it is best to directly purchase or customize magnets with holes that meet the requirements, and it is not recommended for individuals to just punch further holes in the magnets they buy.
Relevant samples of magnets with holes;
Introduction to related magnet processing;
This is a very small rectangular ferrite block magnet, measuring 2.45 mm in length and 1 mm in both width and height. It is magnetised along its length and is barely noticeable when held in the hand....
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....
U-shaped neodymium magnets are a type of high-performance permanent magnet material with a structure resembling the letter ‘U’. Manufactured from sintered neodymium-iron-boron, they are characterised by high magnetic energy product....
This is a radial 4-pole ring (Hollow cylinder) magnet, the material is bonded NdFeB, with high magnetic performance, the size is 16mm outer diameter, inner hole 5mm, height 20mm, surface gray epoxy treatment, suitable for water pump motor...
This product is a 4-pole ring magnet, injection-molded ferrite material, the sample size is 22mm outer diameter, 7mm inner diameter, 4mm thickness, 2 N poles and 2 S poles, mainly used for push rod motors, magnetic induction devices, encoders, etc.,...
This is a radial 2 pole circular magnet designed specifically for magnetic encoder chips. It is made of sintered neodymium-iron-boron with N35 grade performance and is suitable for standard environments....
This product is a multi pole magnetic ring with an inner diameter of 1.5mm. The material is injection molded ferrite. It adopts axial multi pole magnetization and is mainly used for DC motors. If you have a sample of similar injection molded magnetic products, please contact us for quotation....
This is a very small size rectangular block magnet with galvanized surface, 3mm length, 1.5mm width and height, with very fine tolerance, magnetized by lengthwise direction, mainly used in precision electronics, instrumentation, please contact us if you need to buy....