50 Pcs. Ring Magnets 12 x 4mm

50 Pcs. Ring Magnets 12 x 4mm

Magnetization direction: N/S pole on both ends of the plane

Circular with hole magnets, strong suction

Can be used in industrial production and for personal creative design.

Great for DIY projects such as ammeter, instrument, electric motor, automatic control, microwave device, radar, and medical equipment 

Application: 

Electro-acoustic: speaker, receiver, mike, an alarm device, stage, and car audio device, etc.

Electronics: permanent magnet vacuum circuit breaker, magnetic latching relay, watt-hour meter, water meter, reed, sensor, etc.

Electrical machines: VCM, generators, motors, CD/DVD ROM, electric motor, servo motor, micro motor, motor, vibration motor, etc. 

Mechanical equipment: magnetic separation, magnetic separator, magnetic machines, etc. 

Health care: nuclear magnetic resonance instrument, medical equipment, magnetic therapy health care products, etc. 

Other industries: magnetization paraffin, pipeline cleaner, magnetic clamp, automatic mahjong machine, magnetic locks, bags, leather goods, toys, craft gift, etc. 

Specification: 

Material: NdFeB 

Quantity: 50

Color: Silver 

Size: 12 x 4mm

Working temperature: maximum of 80°C