KR> Re: KRnet Digest, Vol 347, Issue 114

[Orma]

The type of nut that should be used would be a self locking nut and the 
process of welding it would destroy the properties of the locking feature. 
There are various types of clip nuts that could be used that would stay in 
place and allow you to remove the bolts.
Orma
Southfield, MI
N110LR Tweety, old enough to drink this year
Flying and more flying, to the gathering or bust
http://www.kr-2.aviation-mechanics.com/