OKNA Folding Handle Product Code: 39-226

A quick learner from Missouri, USA says:
I have vinyl casement windows, purchased from Home Depot in 2008. I think that means they are American Craftsman windows. The folding handle, which looks like 39-226, has a set screw through the 5/16" hex (male) part ... does 39-226 also have a set screw to secure the hex extension of the handle to the operator?

The set screw is very hard to correctly tighten into the "operator" - as a result, the handle constantly came off, and eventually the hex part became round.
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Tom from SWISCO responded:
I'm not sure exactly what you have. Could I see a few pictures of the hardware in question? That way we can be sure of what you have and what could possibly be used as a replacement.
A quick learner from USA says:
Pictures are attached ...
User submitted photos of an operator handle.
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Paul from SWISCO responded:
Thank you! We are actually in the process of updating its picture, but the 39-226 no longer has a button. Instead, it has a set screw at the bottom that matches yours and serves the same function.
A quick learner from MIssouri says:
The previous version of the handle with the button - did the button serve to fasten the handle to the "operator"?

I've hard a REALLY hard time getting the setscrew to actually hold the handle in the socket in the "operator" - ttypically, the handle loosens and falls out, which eventually results in the hex edges of the handle rounding off. Is there some trick to tightening the setscrew?

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Dave Sr. from SWISCO responded:
Hmm... when you describe it like that, then it may not be a problem with the handle. It could be that the operator itself is worn down. If that's the case then no matter how tight yo make that screw, it still won't hold.
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