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  8. 12"x18" Grade B Black Granite Surface Plate

12"x18" Grade B Black Granite Surface Plate

255105
Brand: STM
List Price $ 137.32
AvailabilityIn stock
• Brand: STM
• Color : Black
• Material : Granite
• Overall Unilateral Flatness Tol. (Decimal Inch) : ±0.0001
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  • Description

• Length (Inch): 18"
• Width (Inch): 12"
• Thickness (Inch): 3"
• Grade: B
• Number of Ledges: 0
These plates are made of the highest quality - True Black - Fine Grained - Non-porous - Jewel Hardness - Granite available to give years of long lasting service. Specifications: Compressive Strength 7329 lbs. / sq.in, Water Absorptivity 0.13%. These plates have no ledge.