The EE school of a major university (which can be deduced from my
return address) had to re-wire a whole floor of a major building because
the guys who made thinnet connections with twist-on BNC's neglected to
fold the braid back over the outer insulation before screwing on the
connector. We had to re-pull *miles* of cable.
Also, the twiston's come in several sizes. The ones for RG-58U
and 59U are NOT interchangable. Get the right ones, follow the
stripping directions and they work very well.