Old pivot bar removal

A quick learner from Chicago says:
May 23, 2020
I'm trying to replace all the parts on my old double hung windows. One problem is the pivot bars are so rusted that the screw heads are sheared off. Any thoughts on removing them?
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Bob from SWISCO responded:
May 27, 2020

I see you were looking at the 26-040. While it's certainly tough to tell from these pictures, if the basic shape and dimensions seem to align, I think this would be what you're looking for. See what you think. 
A quick learner from Chicago says:
June 6, 2020
It's not so much which pivot bar to use, but how to remove rusted ones when the screw heads are stripped off.
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Bob from SWISCO responded:
June 8, 2020

Soak the old pivot bars in WD-40 for several hours, maybe even overnight. Give it a try after that. 
Pivot Bar, 3"
Pivot Bar, 3"
26-040
$1.57
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