Besides common shape—disc magnets, block magnets, cylinder magnets, ring magnets,countersunk magnets are also very important for daily life and production. Most of countersunk magnets /countersink magnets are just disc magnets with a countersunk hole. But sometimes block magnets with countersink hole are needed. The countersunk holes are suitable for screws to fix the powerful magnets onto another objects. So countersunk magnets are known as screw-on magnets. Neodymium countersunk magnets are neodymium magnets with countersunk hole for screw thread.We can make countersunk holes on both disc neodymium magnets and block neodymium magnets. And also make any countersunk magnets according to customer's design.