After great results in my clamp style knurling tool and Bump straight knurling tool I was riled with the poor results I had with QCTP 110 tool (knurling and facing tool holder).
https://farm5.staticflickr.com/4721/...c0ccac6761.jpg
The material used
https://farm5.staticflickr.com/4614/...a684436c9a.jpg
Checking if idea will work...
https://farm5.staticflickr.com/4722/...b1da34b36c.jpg https://farm5.staticflickr.com/4626/...07f72cda19.jpg
"Milling" the round slot in four jaw chuck.
https://farm5.staticflickr.com/4604/...7b67ba0029.jpg
Tool ready for test run
https://farm5.staticflickr.com/4653/...f84aa502ae.jpg https://farm5.staticflickr.com/4654/...98e4c62771.jpg
Done!
https://farm5.staticflickr.com/4710/...e7d04560d2.jpg