Can locks be re-keyed so that more than one uses the same key?

Related Questions

• Can Schlage Keypad Locks be re-keyed to match existing keys?
   - Yes, Schlage Keypad Locks and Deadbolts can be re-keyed to match existing keys, providing One-Key Convenience. ...
• Am I limited to how many times a SmartKey lock can be re-keyed?
   - No, you can re-key a SmartKey lock as often as you’d like.
• Can the Ultimate Lock 3000 be re-keyed?
   - Yes. You can re-key the Ultimate Lock to work with any standard 6 pin Schlage keyway key. In most cases, you ...
• When starting EVEREST Ultimate Edition, right after the main window appears it suddenly locks up the computer. How can this be avoided?
   - Create a new text file in EVEREST folder, name it: "EVEREST.INI".
• Who else loves that commercial where a dude locks in a retarded girl inside a SUV?
   - You know, the one where some retarded girl is talking about who knows what, and the dad doesn't wanna listen ...