Emily from SWISCO responded:
June 14, 2023
Hi there, Mary. Your lock looks like the 90-028 to me. This part measures 1-1/2" on the installation hole centers. Take a look at the specifications and see how they compare with yours. As for the screws, a local hardware store should be able to match up the appropriate one for you.
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Dave Sr. from SWISCO responded:
June 14, 2023
The 90-028 lock uses a flat head screw like the 33-011. However, it would be best to take one of your original screws to the hardware store with you. That way you can get the proper diameter (#6 or #8 size) and the length of the screw. The length is especially important. You don't want to be screwing into the glass at the top of the sash frame. |