A question for anyone who has made or has thot about making a rotary tool shank, like for attaching cutoff wheels.
What is an easy to find material for making a rotary tool shank? I was thinking maybe using some rivet. Whatever, the qualities of the metal rod have to be something like this. ...Drillable metal, not extremely hard. ...Straight. ...Diameter exactly 1/8" quickly flaring to 3/16" or whatever at some point (it can be cut). ...Cheap.
To accuratly center the screw hole in the end of the shank, the unmade shank can be inserted into a drill or rotary tool and spun against a stationary drill bit.
Thanks in advance.