This is a more special ring-shaped neodymium magnet, the reason is that it is in the magnetic ring on the left and right sides of the 2 sides are punched 1 straight hole, the ring size is also relatively large, the outer diameter of 3 inches, with a strong tensile strength, belongs to the customized shaped products, such as you need a similar appearance of the magnets you can contact us for a quote for you, we are the manufacturers, you can save the cost of purchasing the required fees, welcome to send inquiries to consult the price.
Selection of neodymium grade can be referred to: Neodymium Grade Chart
Large magnetic rings for related industries/equipment;
30mm Thick Large Neodymium Round Magnet with Hole Diameter 200mm
Custom shaped large inner diameter magnets 4" 5" 6"
10cm diameter strong large neodymium ring magnets 100x85x3.5mm