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 | Tolerance g6(um) Asia tolerance standard 
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 | -6-17 
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 | Tolerance h6(um) Europe tolerance standard Surface hardened (mm)
 Mass (kg/m)
 
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 | 0-11 >1.5
 1.58
 
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 | Material: GCr15/100Cr6/SUJ2
 Shaft surface:  Chrome plating
 
 
 
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 | Hardness: HV697 (HRC62+2) Roundness: g6 (16-17um/m)
 Linearity: no more than 5.0um/100mm
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