UHT cup whetstone φ20 #60 (24 pieces included)

[Features]
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[Use]
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【specification】
Outer diameter (mm): 20
Granularity (#): 60
Thread diameter (mm): M6 x 0.75
Maximum operating speed (rpm): 35000

[Specification 2]
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[Material/Finish]
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[Set contents/accessories]
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【Note】
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