Product Description
Granite block master are made from selected black granite stone. Master squares are ideal for inspecting the X, Y and Z axes of machine tools. Our Granite block masters are very stable and rigid, providing the ultimate in squareness references. Our master squares have 5 finished faces (1 large face and 4 edges) finished flat, square and parallel to Grade–0 accuracy. All six faces can be finished upon request.
Product Specification
| Model Number | Accuracy (um) |
| Size (mm) | 5 |
| 400 x 400 x 63 | 6 |
| 630 x 630 x 80 | 8 |
