XD-1 Precision Drill Spindle Spindle TIR .0002 - NR-302 Shown with NR-301 & RA-100 Collet Capacity 1/32 to 1/4" recommended 1/8" or smaller for best performance on virtually any material. Uses ER-style Collets Easily interchangeable gear sets allowing (5) spindle speeds of 30,000 R.P.M. (std), a...