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Ceramic standard balls are manufactured from Zirconia and Silicon nitride. The diameters range of balls from 2 to 30mm and roundness is 0.08μm,can be used for reference ball and measuring ball of a CMM. Extraordinary, these hollow balls fix easy and reliable.
standard size 2mm,3mm,4mm,5mm,6mm,10mm,19.05mm,20mm,25.4mm,30mm
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