Need T-shaped screw nuts for my patio handle

A professional from Deltona, Florida says:
The attached photos show the broken part of my latch & keeper. Actually I only need the t-shaped screw nuts...but if necessary I'll purchase the entire latch & keeper. The door has the following information on the inside track: Series 230 SGD, AANA/NWWDA 101/1.5. 2-97, SGD-R20- 73X81, A-L-I Validator, MFR Code FS-1. Thank you.
User submitted photos of a patio door handle.
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Tom from SWISCO responded:
Thanks for posting! Could you please give me the length of the screws that go into the T-shaped screw nuts? That will help us in our search for possible replacements.
A professional from Florida says:
The screws are 1/2" long and the T-shaped screw nuts are 5/8". Also, I believe the screws are approximately 5/32" in width. Thank you.
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Dave Sr. from SWISCO responded:
Thank you. I think you will just need a 1/2" through, or sex, bolt and 1" or 2" screw, if a screw is needed. You can likely get these at a local hardware store. If necessary, you can file down the head of the sex bolt to make a "T."
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