GWiens2001 wrote:Squelchtone wrote:That looks like a Phaffehein keyway. They merged with Abus some time ago.
Nope. Pfaffenhain looks like this one of mine:

Gordon
Just a bit of an update of what I have learned and done in the meanwhile. Yes, it is a Pfaffenhain, more specifically a Pfaffenhain SFA. The above lock is also a Pfaffenhain, but with a different keyway, possibly a V14 (
https://wiki.koksa.org/Abus_Pfaffenhain_V14). There's a neat non-exhaustive list of the different Pfaffenhains here:
https://wiki.koksa.org/Kategorie:ProfilzylinderI have identified that a Silca PHF 19 key blank works, and have also made a bump key. Works like a charm!
Still, I'd now like to progress and make an actual key. Bumping (while others have obviously also done it before me as was pointed out above) damages locks. If you are wondering what the heck is going on, then you may call it a game if you will. The door needs to be opened every now and then. By people who may or may not have a key. And obviously some of these people are quite motivated.

I have also checked out the most common code libraries available online (CodeSource, Lockcodes.com, Instacode, Genericode), and either they don't have anything for Pfaffenhain/Abus or what they have for that code is not correct.
Still trying to understand the entire naming system... Like, there is A21, A22, A23, A24, A25, C21, C22, C23, C26. And then separately there is C27/T40, under which SFA is listed. (Source:
https://issuu.com/duitman/docs/alternatieve_sleutellijst )