HHIP 4401-2418 Granite Surface Plate, Grade A, 24 x 18 x 3 in
Granite surface plate with precision ground top for flatness accuracy. Includes certificate of inspection; not NIST traceable. Good for measuring flatness, squareness, and layout tasks; customers cite solid size and weight with mixed views on flatness and surface finish
Highlights
- precision ground top
- certificate of inspection
- Grade A plate with specified accuracy
Pros
- precise ground top surface
- includes inspection certificate
- grade A (0) specification
- sized for small shops
- dimensioned for stable layout tasks
Cons
- not NIST traceable
- mixed reviews on flatness and polish
- possible scratches reported by some users
Best For
Features
- Top surface precision ground with flatness tolerance ±0.00075 inches
- Grade A (Grade 0) granite surface plate with certificate of inspection
- Used to measure flatness, squareness, and to lay out parts
- Supports setup tasks such as calibrating instruments, checking parallelism and perpendicularity, and measuring heights with a height gage
- Serves as a work surface for assembling and inspecting components
