Precision spheres are available in standard diameters from 0.15 to 20 mm from stock and up to 150 mm on customer request. Tolerances range from +/-0.5 to +/-10 μm and sphericity from 0.075 to 2.500 μm. Most spheres are AFBMA Grade 25, but Grade 3 to 200 can be made on request.
Goodfellow
Coraopolis, PA
www.goodfellowusa.com
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