Accusize Industrial Tools 5/16'' - 3/4'' / M8-M20 Self-Reversing Tapping Head, 1/8'', 1/4'' Npt, M20 Tapper, 2600-4022
Applications: ? Depth control. ? Top will advance 0.140'' ±0.004'' after machine spindle travel stops. Example: to achieve a top depth of 1.000'', set spindle stop at 0.860'' will advance an additional 0.140'' to 1.000'' depth NC Machine. ? Set torque as high as possible within safe limits of the top. NC machine cutting feed equals (top pitch x spindle RPM). Reverse feed equals 2 X (top pitch X spindle RPM). ? Head comes complete with 2 collets