The basic answer is 2. Regardless of how many locks you order, You will only get 2 keys on any keyed alike lock set. Not 2 per lock.
As shown in the diagram below:
Once a lock has been keyed alike it's original keys will no longer function. So they are discarded, and only the 1 set of keys will work with all the keyed alike set.
How Many Keys Do I get with a Keyed Alike Lock?
Tags: Keyed Alike Lock,