Dave Sr. from SWISCO responded:
May 15, 2017
There are a lot of factors that determine what screw you need, like type, size and length. That depends more on the door than the roller, so we can't say based on only knowing you have the 23-043. It could be the 33-090, but that's just a guess. Your best bet is to use the original screws that were in the door as a reference.
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