Each lock is opened by its own unique key that does not open any other lock in the set. Keyed Different is the standard keying default on Master Lock and American Lock padlocks.
Master Lock offers 16 Interchangeable Core Keyways.
In a Master Keyed system, a master key opens all the locks in the system although each lock also has its own unique key.
All padlocks in a given set can be classified as either keyed different or keyed alike. When keyed different, you won't be able to use the same key to open them. Rather, each padlock in the set will have its own key. Each keyed different padlock will have its own key.
The factory-set combination is 0-0-0-0. Turn the shackle 90° so that the notch on the shackle is aligned with the notch on the lock body. Press and hold the shackle down. While holding the shackle, set the dials to your new combination.
Some locks are designed to work with two different keys. The change key will open only that specific lock, while the master key will open that lock and several others in a group. In these locks, a few of the pin pairs are separated by a third pin.
If the lock is designed with a universal keying system, any locksmith can re-key the lock in no time. You can also get locks re-keyed at most hardware stores. The right combination of pins lines up perfectly with the notches in the key. In this basic six-pin lock set, you can see how this re-keying works.
Benefits of a Single Key
When purchasing more than one lock, look for packages that have the same “key alike” number on the package. Alternatively, our store associates can key all of your locks to work with the same key. You can also purchase a rekeying kit to swap out pins and springs yourself.
Slightly. A master lock has two (or more) key cuts that can open it. Instead of just two pins in each location a mastered lock has has at least three. So there more combinations that can open the lock.
The average cost of hiring a locksmith ranges from $100 to $200. The average homeowner spends around $150 to rekey a more complicated house lock like a profile cylinder or 3-point lock system and replace a set of keys.
To rekey locks to use the same key, all of them must be from the same manufacturer. You can't rekey a Kwikset lock to use a Schlage key because each maker's locks have different size holes that will only accept their own keys.
To open a standard Master Lock combination lock (1500D): Turn the dial 3 times to the right and stop on the first number of the sequence. Turn the dial to the left, past the first number of the sequence, and stop on the second number. Turn the dial to the right and stop on the third number of the sequence.
No, the police don't have “master keys” to anyone's home, unless that person leaves such a key in their possession or someone who knows that person provides them with such a key.
A piano has many keys but can't open a single lock.
"A Piano" is the correct answer of this riddle.
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.
A standard 40-digit Master Lock has 64,000 combinations which would take the average human about 180 hours to crack by using random combinations.