Screw Hole Magnet Countersunk Hole Magnet Super Strong NdFeB round Strong Magnet N40 20x5mm-5mm 螺丝孔磁铁 沉头孔磁铁 超强钕铁硼圆形强力磁铁N40 20X5MM-5MM

[product name]: ndfeb permanent magnet, also known as magnetic steel, permanent magnet king, strong magnetic king, rare earth permanent magnet
[product size]: d20 * 5mm [diameter 20mm * thickness 5mm] tolerance +-0.1mm [mm]]
[inner hole specification]: large hole 10mm small hole 5mm
[product material]: sintered ndfeb
[vertical pull]: 12kg
[product weight]: 11.93g
[table magnetic size]: 4500 gauss
[magnet coating]: nicuni three-layer treatment, good rust and corrosion resistance. better than those single-layer nickel plating.
[magnetizing direction]: thickness magnetizing [n s pole on the largest two faces]]
[operating temperature]: maximum 80 degrees celsius
[product details]: one magnet
[precautions]: fragile-with care carefully pinch dry and store at room temperature