3/8" Crank handle is too big for my operator

Quick Learner from North Carolina
3/8 handle is to big. Please see the picture. help me identify the right crank handle replacement size for my windows.
4 user uploaded images
4 Replies
Tom
Tom from SWISCO
SWISCO
Expert

Looks like you have a very old awning window operator. I can't be sure if we have the right size handle for you, but we can do our best to find it.

Before we can get started, we'll have to know what size it is to begin with. You said that our 3/8" spline handle is too big but not what your size was. Can you tell me the exact diameter of the hole? Please be as precise as possible.

Quick Learner from North Carolina
Looks like 1/4 or bit more
3 user uploaded images
Tom
Tom from SWISCO
SWISCO
Expert

I'm afraid that we don't have anything with a 1/4" diameter spline. We have handles with 11/32", but I can't tell if that's what you have or not. It's hard to tell with just a tape measure.

Start by looking at our 39-102. I highly recommend trying to get a more accurate measurement of that hole and seeing if it could be 11/32" after all.

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