N35 D40*d20*4mm Neodymium Ring Magnets

Neodymium ring magnets are the popular shape of neodymium Rare earth magnets. They are manufactured via Cutting, Slicing, Drilling, and grinding etc. Neodymium ring magnets are mainly used in loudspeakers.

Characteristics of Neodymium Magnet:

*Extreme strong Br Resident induction.

*Excellent demagnetization resistance capability.

*Good Price relative to its high magnetic properties.

*Coating is needed for NdFeB

Physical Characteristic of Neodymium Magnet:

How long the production time ?
1.Small order, usually need 7-15days.
2.For the customzied magnet busy production season, please kindly contact our sales.

Could you provide free sample?
1. If you have a FEDEX, UPS or DHL international account, we will send samples for free via that account (Most of samples is 1-10 pcs per type, some will be charged. It depend the cost of samples).
2. If You do not have express account, pls discuss with our sales.

How about the shipment term ?
Sea shipment: For large quantity, we could arrange shipment by LCL or FCL shipment.The shipping freight is most cheaperest,but take longest shipping time.
Air shipment: For small order,the gross weight aboving 100KGS. The shipping freight is expensive,but very fast, usually takes about 3-5 days.
Express shipment:For small order (0.5-100KGS),shipping freight is most expensive,also very fast and it is door to door service.The courier will delivery the goods to your home/office directly.

What details necessary before send an inquiry ?
a. Grade of material
b. Shape,size,tolerance
c. Coating
d. Magnetized direction
e, If you couldn't provide aboving infotmation pls inform us the application,magnet property,working temperature,we could suggest the magnets for you.
f. Quantity

If you have any other questions, you are welcome to contact us at any time, we will reply you asap.