1/16" 3/32" 1/8" to 1" G5 Precision Si3N4 Silicon Nitride Ceramic Bearing Balls
ab 2,87 €
Silicon nitride is a non-porous, non-magentic, non corrosive, and lighter than steel material. Ceramic balls are almost friction-less because they are non-porous which gives them the ability to spin faster than steel balls.
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