100Pcs/Set 12 x 4mm Industrial Equipment and DIY Projects Powerful Suction Round Shape Hole NdFeB Magnet

• 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: 100

• Color: Silver 

• Size: 12 x 4mm

• Working temperature: maximum of 80°C