Measurement Supply offers Granite Surface Plate options through Standridge Granite and Mitutoyo. We offer varies sizes and grades for your granite surface plates, steel support stands and accessories.

Granite surface plates provide an accurate reference plane for work inspection and for work layout. Their high degree of flatness, overall quality and workmanship also make them ideal bases for mounting sophisticated mechanical, electronic and optical gauging systems.

Three standard grades of tolerance for surface plates are:
  • AA - Laboratory Grade: for ultra-precision operations in consistent temperature metrology departments.
  • A - Inspection Grade: for general use in quality control areas.
  • B - Toolroom Grade: for shop work and production checking.
We provide various size granite plates and stands (stationary and castered) for your requirements. Please contact us and we would be happy to assist with a quote. Call us at 888-502-0220 or email us at