HHIP Granite Surface Plate 15.7" x 9.8" x 2.36"
Price tier: Premium
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Precision granite surface plate with flatness accuracy +/- .0001" and Grade A grade. Includes inspection certificate. Not NIST traceable. Useful for measuring flatness, squareness, and setup. Customer feedback is mixed on flatness and surface smoothness
Highlights
- ±0.0001" flatness accuracy
- certificate of inspection
- ample work area
Pros
- high flatness accuracy +/- .0001"
- Grade A (Grade 0) plate
- included inspection certificate
- large work area for small shops
- stable weight for setup
Cons
- not NIST traceable
- mixed reviews on flatness and surface smoothness
- some reports of scratches
Best For
Features
- The top surface of this plate is precision ground to achieve a high degree of flatness and the accuracy is +/-. 0001". It is a Grade A (Grade 0) plate.
- Granite surface plates meet or exceed Federal Specifications GGG-P-463C and it includes a certificate of inspection. (Note that these are not NIST traceable. )
- Granite plates are used for measuring the flatness and squareness of other objects
- laying out parts
- calibrating instruments
- setting up tools
- checking parallelism and perpendicularity
- and measuring heights with the use of a height gage.