... threads such as 7-1/2,9-1/2,10-1/2, 11, 11-1/2,13, 13-1/2, 19, 27 ... length in gap200mm (8″)Spindle boreØ80mm (3-1/8″)Spindle taper of boreMT7Spindle number of speeds12Spindle speed range42 ... .46mm (0.0015″~0.0913″)Range of cross feed0.02~1.23mm (0.0005″~0.0365″)Longitudinal rapid traverse4.5m ... 9″)Max. size of tool (W×H)25×25mm (1″×1″)External diameter of tailstock sleeve75mm (3″)Max. traverse of ...