1/2-20 THREAD QUICK NUT QUILL STOP1/2-20 THREAD QUICK NUT QUILL STOP 1220-S, EDUCATED QUILL STOP, PUSH IN BUTTON TO MOVE NUT FASTER UP & DOWN QUILL THREAD AJUSTS QUILL DEPTH IN JUST SECONDS ON YOUR MILL! Machine shops, tool & die shops, and major corporations are utilizing this new concept that saves time and money on setups on most vertical milling machines! Simply press the button and the nut disengages from the thread. Slide to desired position and release the button to engage the threads. Turning the nut then allows for precision micro-adjustments of .001"! Installs in just minutes and firs domestic and imported milling machines with 1/2"-20 threaded rod stop. The EDUCATED NUT!
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