Recently, I found that some Canadian customers are looking for such countersunk magnets. In fact, in addition to Amazon and some local magnet suppliers, you can also choose our Chinese magnet manufacturers, which may be more cost-effective.
Our company is located in Guangdong, China, and can provide you with various properties and grades of countersunk (counterbore) neodymium magnets, ferrite countersunk magnets and samarium cobalt countersunk magnets, including various shapes, you may not have seen them all Oh.
Below are some common types of countersunk magnets to see which one you are looking for.

How do I order this countersunk magnet?
You only need to tell us the magnet material, size, grade (or Gauss), tolerance, magnetization method, purchase quantity, etc. you want, and we will be able to quote and process it for you.
Recently, we have also made several deals with Canadian clients. We look forward to friendly cooperation with you and become your china magnet supplier.
Learn more about our company: https://www.dgcourage.com/about/
Take a look at our more countersunk magnets;
Countersunk Rectangular Magnets
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....