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  3. Rotor magnet for quartz watch or electric meter counter stepping motor
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Rotor magnet PDF File Download

Rotor magnet for quartz watch stepping motor:

Material: SmCo5 or Sm2Co17
Size: OD0.8~1.6mm ± 0.005 Dia of hole: 0.2~0.6mm ± 0.01
Height:  0.3~1.0mm± 0.01

Dimension range and ultimate tolerance

Item	OD	ID	H	Magnetizing direction
dimension range	φ0.8—φ2.0	φ0.3—φ1.0	0.3—1.0	Diametrical
Ultimate tolerance	±0.005—±0.03	+0.015—+0.05	±0.01—±0.05	±1°

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