This Black Granite Surface Plate provides an accurate reference plate to measure objects for flatness and squareness.
- Perfect for lapping tools or checking set-ups on small engineering projects.
- Affixing wet and dry paper to the surface enables the plate to be used as a large sharpening stone.
- Each plate is supplied with its own surface flatness test report and its packed in a wooden shipping case for safe transport and storage.
Specifications:
Dimensions: Approx 300 x 230 x 50mm
Surface Accuracy: Maximum flatness error rated at 2 micron (0.002mm)
Weight: 13.2kg
Benefits of Black Granite:
- Harder than steel and does not rust or corrode
- Not as affected by humidity or changes in temperature
- Retains accuracy for years
- Low water absorption
Surface Plate Use:
- Rotating the surface plate around helps avoid wearing away the same area of the plate over time
- Ensure that the Granite Surface Plate and tools are clean and free from grit or dust
- Dropping items onto the Granite can chip its surface