12"x18" Grade A Black Granite Surface Plate

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Product Overview

• Brand: STM
• Color : Black
• Material : Granite
• Overall Unilateral Flatness Tol. (Decimal Inch) : ±0.00005

• Length (Inch): 18"
• Width (Inch): 12"
• Thickness (Inch): 3"
• Grade: A
• 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.

Product Availability

Item is usually in stock, but we'll be in touch if there's a problem

Technical Details

Details

Category:

Testing, Measuring and Inspection

Subcategory:

Measurement Tool Positioning and Holding Equipment

Subtype:

Inspection Surface Plates and Stands

Brand:

STM

Grade:

Length (Inch):

18"

Number of Ledges:

Thickness (Inch):

Width (Inch):

12"