Dear Alumina Ball Company,

I am looking for ceramic balls, 5/16″ diameter with approximately the following specifications:

Material: Very High Temperature Nonporous High-Alumina Ceramics
Form: Balls
Diameter: 5/16″
Diameter Tolerance: ±.0001″
Sphericity” 0.000025″
For Hardness: 1700 Vickers
Grade: 25
Operating Temperature Range: Up to +2000° F
Flexural Strength: 47,000 psi
Compressive Strength: 300,000 psi
Porosity: Nonporous
Performance Characteristic: Poor temperature insulator, Poor electrical insulator
Color: Opaque White
Tolerance: Standard
Notes: Machine using diamond grinding wheel.

Please let me know if you sell this product, how much it would cost and if I could get a sample.
I would need thousands of these balls.

Thanks, much.

Best,