Originally Posted by
Broctoon
* Are amateurs who consider installing their own rivnuts aware that you don't just drill a hole, insert the piece, and expand it using one of several types of special tool? Any rivnut that's designed to withstand moderate torque through repeated use will have an anti-rotation tab under its flange. You have to use a needle file to cut out a notch where this tab will fit. In a round tube, that notch should be at the 12:00 or 6:00 position. Not a big deal, but something to be aware of.
Not only are amateurs not aware of that, but professionals aren't either - because it isn't true. I have never replaced a rivnut on a bike that had anything but a round hole in the frame.
(I'm always amazed how much is discussed on this forum that appears to come from a complete lack of experience.)