D19x6.35mm waterproof neodymium countersunk ring magnets with plastic coating

Neodymium countersunk ring magnets with plastic coating are waterproof and more durable than that without plastic coating. Neodymium countersunk ring magnets with plastic coating are also rust-proof and have scratch resistant. Plastic mould is needed for a new size of waterproof neodymium countersunk ring magnets with plastic coating. However we have some standard sizes for waterproof neodymium countersunk ring magnets with plastic coating. Choose one used for you. On this page, D19x6.35mm waterproof neodymium countersunk ring magnets with plastic coating sells good, and there is countersunk on each magnetized surface which suit for M-3 screw.