1/4' Inch Si3N4 Silicon Nitride Ceramic Ball ... - eBay
Material: Si3N4 Silicon Nitride; Ball Weight (each): .01531 Ounces 0.434 Grams; Silicon Nitride (Si3N4) Ceramic Balls are formed from a new material suitable for applications where high loads, high speeds and extreme temperatures are factors. Long life and the need for minimal lubrication make this material appropriate for extreme applications.
Get Price