They are used for testing the perpendicularity and calibration of machining centers and CMMs. The granite tri squares are designed with three sided triangular shape.The main usage of the granite tri squares is to test the X, Y and Z axes for all kinds of machine bases and machinemore...
dear sirs/madam iam offaring bahama blue blocks $610 FOB, All side wiresaw down and from edge to edge 25 cm allowance, 100% dark blue blocks. regards parusurammore...