Quote Originally Posted by HankMcSpank View Post
So after making up a shoddy boring bar holder (I'm too tight to buy a proper one), I start using that, thinking it would be a dream/breeze - AAAAAARGH. This things starts flexing a litoo -
Either the tip angle is wrong and it's rubbing below the cutting edge
or
The tool height is wrong, slightly above centre is better than slightly below
or
The cut is too deep for the whip in the shank
or
You haven't got a good grip on it
etc