Cylindrical Square, wide seat square, angle ruler

Cylindrical Square: Press GB6092-85 standards for manufacturing, mainly for each other at right angles to the vertical parts of the examination and marking and inspection of parts or components related to the surface. Chrome chrome cylinder cylindrical Square Square is mainly used for the production of each other at right angles to the vertical inspection and marking, inspection of parts or components related to the surface can be used as the benchmark measure of 90 degrees; chrome cylindrical Square is used to examine the various components of the machine with no vertical an important tool degrees. Test rods, Morse taper cone tool for checking the accuracy, precision taper plan's applicable to the machine tools and precision instruments taper spindle and hole.