The Model 709 Drill-Tap Control is factory installed on any Servo drill press to eliminate the need for a separate tapping attachment forthrough hole tapping. * Adds a 3-position toggle switch for selecting Drill or Tap Mode. * Spindle turns at lower speed in Tap Mode * Includes M-710 foot switch control for hands-free instant reversing * Tapping capacity in steel: #0000-#4 / M0-M4 * Chuck Max. Capacity: 0.156” / 3.96mm * Through hole tapping only