End caps for rotary unions are made from steel and are intended to replace the standard end cap supplied with LDZ Air Cylinders. The threaded hole in the center of the rotary union end cap is tapped through making it possible to mount a pipe in the ID of the draw tube to deliver coolant or air to the workholding fixture.
Unit of Measure

A Dimension

N/A 2.730 in69.3 mm

B Dimension

N/A 3/8" - 32 UNEF

C Dimension

N/A 1.000 in25.4 mm

D Dimension

N/A .250 in6.4 mm