Mortise Lock
Home Owner from Port Chester, NY
Jul 24, 2026 9:32 am
Good morning, I am trying to find the correct replacement mortise lock for this patio sliding door. As you can see the opening itself measures 3 inches long and 1/2 inch wide. It is rounded/oval. The ones in the chain hardware stores are square and incompatible. Any assistance is appreciated. Thank you.
2 user uploaded images
4 Replies
Bob from SWISCO
Jul 27, 2026 5:14 am
Hello there. See the 82-218 Mortise Lock. Compare with your old hardware and see what you think.
Opposite side view 82-218
Profile view of 82-218
Home Owner from Port Chester, NY
Aug 4, 2026 4:31 pm
This one was too big. Is there a smaller one?
Bob from SWISCO
Aug 6, 2026 2:20 am
I suspect the 82-218 is still correct. It just has to be installed at an angle since it is a snug fit. See the video below.
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