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G-85083 30" x 48" x 8" Surface Plate 85083

Superior Black Granite Surface Plate
30" x 48" x 8" Superior Black Granite Surface Plate - Grade AA, 2 Ledges

36GÇ¥ x 48GÇ¥ (900mm x 1200mm) Superior Black Granite Surface Plate with an 8GÇ¥ (200mm) thickness. Superior Black Granite has low water absorption, creates little glare and minimized thermal expansion Grade AA (Laboratory Grade) for precision operations in constant temperature gaging rooms and metrology departments. .000168GÇ¥ (0.0043mm) Flatness unilateral tolerance. Produced with 2 ledges.

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  • Low water absorption minimizes the possibility of precision gages rusting while setting on the plates.
  • This black granite creates little glare resulting in less eyestrain for individuals using the plates.
  • Keeps thermal expansion to a minimum.


  • Made in America: Yes
  • Size LxWxT (in): 30 X 48 X 8
  • Grade (U.S.): AA Laboratory
  • Size LxWxT (mm): 750 X 1200 X 200
  • Ledges: Yes


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