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Precision instrument grade ruby balls in 8mm diameter with a tolerance deviation of ± 30 μm (7.97mm-8.03mm).
Please consult the photos for the exact ball size. Pictured are balls sized from 1mm-10mm in order from left to right in 1mm increments. The 8mm ball is the eigth one in from the left.
These are excellent for severe environments. They have a high temperature working range, high strength, high hardness and high chemical stability.
The listing is for individual 8mm synthetic red ruby corundum round beads with no hole.
These will work exceptionally well for scientific, recreational and artistic purposes.
We have the capability to produce a wide range of balls in various sizes and materials.
Please contact us directly for custom orders and quantities.
*The free shipping option ships out in a normal envelope without a tracking number*
