Aug
10
What does “center-to-center” mean for handlesets and cabinet pulls?
Whenever you have to mount a piece of hardware by drilling two seperate holes you need to know your Center-to-Center measurement. Handlesets and cabinet pulls are the most common types of hardware that require a center-to-center measurement, or CTC. The center-to-center measurement is the distance between the two mounting holes. If your replacing a handleset or a cabinet pull you’ll need to make sure your new hardware has the same CTC measurement as your current hardware does.
If you’re buying a front door handleset for a tubular door then you’ll need to know the distance between the bottom hole (where the handle and the thumbpiece will go) and the top hole (where the deadbolt will go). Measure from the center of each of these holes. That’s why it’s called a center-to-center measurement. Make sure that the handleset you’re buying has the same measurement, otherwise it won’t work. Standard CTC is five and a half inches.
Sectional Handlesets (also knows as “Two-Point Locks”) eliminate the need for the center-to-center measurement. The deadbolt and the main lock aren’t joined together by a single backplate and so the distance between those two holes doesn’t matter.
Cabinet Pulls also rely on their CTC measurement to guarantee a proper fit. Since the holes drilled for a cabinet pull aren’t very large the “center” doesn’t mean as much. Measure the distance between the two holes and make sure your new cabinet pull matches that measurement.




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