Rivnuts have a spur on the Countersink side to prevent turning. Not that bad to set. Borrow a Rivenut tool and it will work, Virg
On 11/21/2015 8:01 AM, Dan Heath via KRnet wrote: > I need to find some of these that are not Magnetic. I need to use them in > an area near my magnetometer, where there can be no material that will draw > a magnet. > > > > The only thing I have been able to find is an aluminum countersink rivnut, > which is difficult to install and un-reliable as it can be easily dislodged > and will be very difficult to install a new one in its place.