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G-85016 12" x 18" x 3" Surface Plate 85016

Superior Black Granite Surface Plate
12" x 18" x 3" Superior Black Granite Surface Plate - Grade B, No Ledge

12” x 18” (300mm x 450mm) Superior Black Granite Surface Plate with a 3” (750mm) thickness. Superior Black Granite has low water absorption, creates little glare and minimized thermal expansion Grade B (Toolroom Grade) for production checking work throughout the shop. .000200” (0.0050mm) Flatness unilateral tolerance. Produced without 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): 12 X 18 X 3
  • Grade (U.S.): B Toolroom
  • Size LxWxT (mm): 300 X 450 X 75
  • Ledges: No


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