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The Excelsior EX is designed for applications ranging from engraving steel and stainless steel to machining small parts from plastics, aluminum, and brass where tight tolerance and accuracy are of paramount importance. Specifically, EX stands for extra low-pitch precision ball screws. The use of these ball screws results in a resolution of ۪.00008 in., an absolute accuracy of ۪.0005 in., and a relative accuracy of ۪.0002 in. While extra low-pitch ball screws yield precision above the workpiece, a solid granite slab used for the machining table combined with an aged cast-steel chassis provides vibration-free rigidity beneath it.

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