want key lock for Crestline sliding glass door

A handy person from Dixon, Illinois says:
I would like to add a key lock to my Crestline sliding glass door. The door is about 1 1/2" thick. The outside handle looks like it could have a key but we forgot to order a keyed door when we bought it. Do you have something that will work with this type of door?
User submitted photos of patio door hardware.
Profile picture of Tom
Tom from SWISCO responded:
Sure, take a look at our 82-310 and see if that can work for you. You would just have to punch or drill out a hole in your exterior handle.
A professional from California says:
Before buying parts, take the handle off and make sure everything lines up for a cylinder. The outside pull may have to shift up or down to line up, and some outside pulls have the right hole spacing, some do not. It's hard to tell how things line up from pictures.
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