In order to rekey a padlock you ll need to take it apart and get to the core.
Make a key for a lock.
You should then be able to push the tumbler out from the back.
Doing so will ruin the impression.
To make a new key for an existing lock you cut a series of notches in the key so that it raises each of the upper pins just above the shear line.
If you do know the key number go to a locksmith or local hardware store to order keys.
Cut the key to code.
Insert the pins and reassemble the lock.
When you remove the key from the lock hole you should see an impression left by the teeth of the lock hole in the exact placement of where you would like the teeth of your new key to be.
Just watch this video tutorial to see how to properly make a replacement key for a lock.
Cutting the key to code might be the easiest way for a locksmith to make a key from a lock.
Slide the key blank gently into the lock hole.
If you do not know the key number it is possible to obtain additional keys from a locksmith who can impression your lock.
To rekey the locksmith swaps the pins around.
Do not lubricate either the blank or the lock hole when trying to push the blank into the lock.
Take off the end cam and inner spring then insert a key into the lock tumbler to push the pins away from the cylinder walls.
A key code is a set of characters that is used to make a key for a specific lock.
Next you ll need a vise to secure the blank and a file to stroke out the grooves.
Please note that the locksmith will charge you a fee for this.
The key number is stamped on the original keys provided with your lock.
How can a locksmith make a key from a lock.
The key does not have to be the one that is normally used with the lock.
The cylinder has pins and knowing the pin sizes the locksmith can make a key.
Essentially you cut a pattern in the metal that matches the pattern of the pins in the lock.
Now you ll insert the blank key inside and mark the dead center of the hole onto the blank key.
Dump out the old pins insert the new key and use tweezers or small needle nose pliers to match the new colored pins to the color code on the special instruction sheet.