Small & Large Neodymium Magnets O-Rings With Hole 2-10mm thick Countersunk

  
Small & Large Neodymium Magnets O-Rings With Hole 2-10mm thick Countersunk. Surface plating: Electroplating layer + copper plating layer + plating layer. Use (no demagnetization at room temperature). Product use: teaching aids production office home.

Three layers of electroplating anti-corrosion and anti-rust. Three layers of plating to strengthen the magnetic properties, but also greatly reduce the fragility of the problem more beautiful.

High quality rare earth rivets and other materials. New material rare earth permanent magnetic riveted iron boron high energy density, durable. We strictly control the quality of products, tolerance ± 0.05 within.