Starrett 85091 Superior Black 36 x 36 x 6 Granite Surface Plate Two Ledge, Grade AA

by Starrett
ID#: 85091-STR
|MFGID: 85091
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Product Information


The Starrett 85091 36” x 36” (900mm x 900mm) Superior Black Granite Surface Plate with a 6” (150mm) 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. .000150” (0.0038mm) Flatness unilateral tolerance. Produced with 2 ledges.


  • Specifications:Weight=1220 lbs Flatness Unilateral Tolerance: 0.000168in - 0.0043mm

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