SWISCO - The Replacement Hardware Authority

82-309 vs 82-315?

A home owner says:
HI, I have sliding patio door and am planing to install key lock. What is the difference between 82-309 and 82-315?
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Tom from SWISCO responded:
The only difference between these two parts is the length of the key cylinder tail, which are each meant for a different door thickness. That said, these tails are meant to be cut down. The 82-315 is for thicker doors that the 82-309 wouldn't be able to cover.
A professional from CA says:
Buy the longer one. It's less expensive, and You will probably need to cut it down anyway. I don't think I've ever used one without cutting it down. Get two pairs of vice grips. Clamp them where you need the break. Bend back and forth a small amount until it breaks. Much easier than trying to cut hardened steel.
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