Distance between Centers 15.7 in. Metric Thread 0.5-3 mm. This item is in the category Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Equipment\Metalworking Lathes. Ideal for professionals, this mini metal lathe's high-precision 5-inch 3-jaw chuck handles both square and round objects with equal aplomb its granular precision is especially useful for jobs requiring high accuracy such as threading.