HHIP granite surface plate 15.7 x 15.7 x 2.36 in, grade A
Granite surface plate with precision ground top for flatness. Includes a certificate of inspection (not NIST traceable). Useful for measuring, laying out parts, and calibrating tools; valued for size and weight from user feedback
Highlights
- precision-ground top
- certificate of inspection
- compact, stable size
Pros
- precision-ground top
- includes inspection certificate
- sized for small shop use
- heavier weight for stability
- value for money
Cons
- mixed feedback on flatness and surface smoothness
- not NIST traceable
- some scratches reported
Best For
Features
- Top surface precision ground with ±0.0001" accuracy, Grade A (Grade 0)
- Granite surface plate meets Federal Spec GGG-P-463C with inspection certificate
- Used for checking flatness and squareness of objects and tools
- Supports layout, calibration, setup, and height measurements with a height gage
- Serves as a work surface for assembling and inspecting components