This sample is a rectangular ferrite magnet with sink hole, the specifications are length 30mm, width 20mm, thickness 4mm, small hole 3.2mm, please refer to the drawing below for details, in stock supply, the price is very cheap, customers who need to use welcome to consult.
Size drawing of a rectangular ferrite magnet with a hole in the middle of 30mm;
Similar sinking hole ferrite can also be round sinking hole, square sinking hole, can be ordinary thickness magnetization can also be multi-pole magnetization!
Neodymium countersunk magnets is a good choice if you need a strong magnetic pull force.
You may want to look for;
Rectangular ferrite magnet with 2 countersunk holes in stock