Whether it's small countersunk hole magnets or large countersunk hole magnets, square or round, or rectangle, we can perfectly customize it exclusively to ensure that it meets your requirements. The sample is M10 countersunk hole square NdFeB magnet, the length and width are 75mm, thickness is 25mm, with strong magnetic strength, specializing in heavy industry, machinery and equipment, salvage, etc., welcome to bring quantities to consult the price.
Might be better suited to your specifications;
45mm square neodymium magnet with screw holes 45 x 45 x 9 mm