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How to Remove a Broken Key from a Lock

By Edited Nov 13, 2013 1 1

key in entry door lock
Breaking a key off in a lock can be both frustrating and expensive if you have to pay for a professional locksmith to make a house call to remove it. Keys can break off in any lock from a pad lock to an entry door lock. Locks can become stuck due to weather conditions or mechanical failure and forcing the key to turn can result in a broken key. Keys can also suffer from metal fatigue and bend and break off when you turn them in the cylinder. Try the simple steps below to remove a broken key before calling a locksmith.


Things You Will Need

WD-40 or a spray lock lubricant, needle nose pliers, coping saw or scroll saw blade or a very thin jigsaw blade


Step 1

Key removal tools

Spray the lock with the WD-40 or lock lubricant so the key will move easier.


Step 2

The vast majority of keys are thinner on one side. Insert the saw blade into the lock next to the key on the thin side. Make sure the teeth on the blade are facing out (towards you).


Step 3

Turn the teeth of the saw blade slightly towards the key until it grabs the teeth of the key.


Step 4

Pull the blade and key gently out a little until there is enough showing to grab with the needle nose pliers. Note: if the key won't move you may have to turn the key in the lock slightly using the saw blade to get it to a neutral position before you can pull on it.


Step 5

Broken key

When the key is out enough, grab it with the needle nose pliers and pull it the rest of the way out.


Calling a locksmith can prove to be expensive if you have broken a key in the lock cylinder.


Tips & Warnings

If needle nose pliers are not available where you are nail clippers or tweezers can work almost as well.


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Comments

Feb 20, 2010 6:38am
Jack_Luca
Very useful information!
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