Special granite square precision granite master squares are used for checking the X-Y-Z axes on CNC machine tools and CMM's Made of Fine Black, Metrology Grade Granite, 6-Face Master Squares may also be used on any work that requires the checking of squareness or parallelism. Master squares...
Granite Squares provide one of the most reliable squareness inspection reference. Work is positioned against the square and sighted for checking squareness of components by comparison method. Granite Squares are also used for checking squareness of measuring axis in...
This granite square ruler is mainly used to test the verticality or degree of parallelism. It is manufactured in accordance with the standard of GB6092-85. We can customize precision granite square rulers of special or large sizes. Parameters We also could manufacture other size