Bar holding counterbalance

A home owner from San Diego says:
Hello,

Would you be able to assist with identifying what the bar that's holding the counterbalance in place is called? We have a few broken ones and would like to replace them but we haven't had any luck locating them.

Thank you!
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Bob from SWISCO responded:

Thanks for writing in. This is a pretty dang unusual setup. I am assuming this is a non-tilt window, correct? Normally channel balances in non-tilt windows are held in place by nylon corner pieces in the sash called Top Sash Guides. Your window however uses an entirely different component, called pivot bars. Pivot bars are only seen in tilt windows and are at the bottom of the sash (as the name suggests, they assist in the tilting motion of those sorts of window sashes). Needless to say your window's use of them as sash guides is most irregular! I wonder if this was even the correct sash for this window. In any event, we still may be able to help, but there are many different kinds of pivot bars as you can see here, so it would best to remove an undamaged one and show us pictures to corroborate. 

33-073 : #8 x 1/2
#8 x 1/2" Trus Head Stainless Steel Phillips Screw
33-073
$0.28
VIEW >
26-089 : Pivot Bar, 3
Pivot Bar, 3"
26-089
$1.15
VIEW >
Removing Rusted Pivot Bars
Removing Rusted Pivot Bars
VIDEO
WATCH >
Anatomy of a tilt window
Anatomy of a tilt window
VIDEO
WATCH >
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