It may not be brand as much as model. Mortise locksets will
outlast cylinder locks by a huge margin. There are plenty of
major players. Go to a building hardware supplier (not the
hardware store and certainly not the borg). Present them with
your exact statement and let them show you some of the commercial
grade stuff.

Corbin-Russwin
Schlage
Yale
Falcon

(top posted for your convenience)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Keep the whole world singing . . . .
DanG (remove the sevens)




"Frank Thompson" wrote in message
...
fed up with replacing sorry door hardware/locks that wear out in
a few
years & never feel just right .not tight but loose....what is
the best
brand in terms of durability....cost not a factor
correct email is