The RPM will vary with the size of the tool and will range from 1200 to 60 RPM. The smaller the hone, the faster the speed. For a 1″ tool, for instance you will want to be at around 800 RPM, for a 3″ tool, you should be near 700 RPM, for a 6″ tool, you’ll be nearer to 450 RPM and so on. These are just guidelines and optimal performance for each specific application will be found with a bit of experimentation and testing.
The Flex-Hone tool is a low RPM tool. Specific RPM is dependent on the diameter of the tool and the application. General speed ranges are given but, again, machine trials are required to verify the parameters.
Hone Dia. RPM

19″ to 36″ 60 to 120 RPM

12″ to 18″ 80 to 350 RPM

8″ to 12″ 300 to 500 RPM

4″ to 8″ 400 to 700 RPM

2″ to 4″ 600 to 800 RPM

1″ to 2″ 700 to 900 RPM

4mm to 1″ 800 to 1200 RPM