nick hull wrote:
In article s.com,
"Karl Townsend" wrote:

My son just gave me a little job... I've got six aluminum pickup topper
clamps that used steel bolts. They are all corroded together. if you just
twist hard, the bolt will take the AL thread with it.

Short of cutting the bolt off, milling and tapping to the next size; how
would you repair this?

Karl

IIRC, nitric acid will dissolve iron and not aluminum. Test first

Free men own guns - www(dot)geocities(dot)com/CapitolHill/5357/
** Posted from http://www.teranews.com **


Option 1 Heat the bolts up red hot keep the heat foof the ally as much
as possible ,the heat will travel up the bolt ,let them cool off .
Try them then .

option 2
Soak the job in diesel for a few days ,then try the bolts.


--
Kevin (Bluey)
"I'm not young enough to know everything."