Balls & Hemispheres
Sapphire, Ruby, Glass, Ceramic and Fused Silica Balls can be supplied with drilled holes, ground into hemispheres, drum lenses and AR coated to minimize reflection for optical applications.
Tolerances: Ball Grades Chart
Applications: fiber optics, flow meters, rotameters, metrology, bar code readers, check valves (ball and seat), wear surfaces.
- Sapphire & Ruby Balls

Sapphire & Ruby are popular choices of material for mechanical & optical applications.

- Glass Balls

We offer a range of optical and technical glass balls made mostly from Schott and Ohara materials.

- Ceramic Balls

Swiss Jewel supplies ceramic balls typically used in electric insulation, spaces and wear surfaces.

- Hemispheres

Swiss Jewel supplies hemispheres which are ideal as Hemispherical Lenses and Spacers.

- Drilled Balls

We can supply any of our precision balls with drilled holes, which provides an excellent way to mount the ball in an instrument.

- AR Coated Ball Lenses

To minimize the loss of the light’s performance, ball lenses will be AR coated.

- Black Glass Balls

Black Glass Balls are typically used in gauges, flowmeters, and rotameters for medical and industrial instrumentation.

- Fused Silica Balls

Swiss Jewel supplies Fused Silica (Quartz) Balls from 0.30 mm to 10.00 mm.

