HHIP Granite Surface Plate, Grade B, 12 x 9 x 3
Granite surface plate precision ground for flatness. Grade B with certificate of inspection (not NIST traceable). Useful for measuring, laying out parts, and calibrating instruments. Customers note good size and weight, with mixed views on flatness and surface finish
Highlights
- precision-ground surface
- certificate of inspection
- sturdy granite plate
Pros
- precision ground top surface
- certificate of inspection included
- suitable size for small shops
- substantial weight for stability
Cons
- not NIST traceable
- mixed feedback on flatness and finish
- some reports of scratches
Best For
Features
- Top surface precision ground for high flatness; accuracy 0.0001 inch
- Grade B (Grade 1) granite surface plate with inspection certificate
- Used to measure flatness and squareness of objects and layouts
- Supports laying out parts, calibrating instruments, and setting up tools
- Helps check parallelism and perpendicularity and measure heights with a height gage