How do you make a master key?

What makes a key a master key?

Any key that can open two or more locks is considered a master key. Many master keys use pin and tumbler locks. For a master key to work, though, there must be something called master wafers inside the lock. When the master wafers line up, the key and lock can turn freely.

How much does it cost to make a master key?

If a building has a total of 500 doors, owners will need locks, keys and likely Master keys, for all of them. Based on national averages, a traditional small format interchangeable core system typically costs $35 for every lock, $3 for each key and $3 for each Master key.

Can you make a copy of a master key?

Master Key Systems Are Created on Restricted Keyways Restricted keyways are patented, which means that they can't be sold on the open market and can't be copied at a hardware store or commercial location. Instead, master keys can only be copied with your authorization by your key provider.