5/16" Ceramic Silicon Nitride Balls

Regular price $3.49 Sale price $2.99 Save $0.50
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5/16" or 7.938mm ceramic balls made from pure silicon nitride. Price is for one ball. Used in precision applications including in bicycles or anywhere where high strength, low friction, low rotational mass and high speed is required.
5/16" Ceramic Silicon Nitride Balls