Cast Iron Surface Plates

We offer standard 12 '' x 18 '' cast iron surface plates in two

  • laboratory grade AA (.000025” per 6”)
  • Inspection grade A (.000050” per 6”)
  • Contact us for custom higher accuracy options

Cast iron surface plates (used as surface master) for calibration of
our systems for large sample applications.

Cast iron is more dimensionally and geometrically stable over time
than granite or ceramics and is more easily worked to a higher
grade of flatness. It provides more uniform optically surface free of
color and refractive index variation characterizing granite plates.
For more information about our products and services please contact us
and request our brochures and technical product information.
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ZebraOptical Optoprofiler: Surface Plate

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