Poorly lubricated or damaged lock
Excessive force when turning the key
Prevention is key, but if the damage is already done, follow these steps to remove the broken piece safely.
✅ Step-by-Step: How to Remove a Broken Key from a Lock✅ Step-by-Step: How to Remove a Broken Key from a Lock
1. Check the Lock Position
If the key broke while the lock was open or in neutral, you’ll have a better chance of removing it.
If it broke in the locked position, removal will be harder and may require professional help.
2. Lubricate the Lock
Use a spray lubricant (like WD-40) to loosen any tight parts inside the lock.
Insert the straw attachment into the keyhole and spray lightly.
3. Try to Remove the Key
If a portion of the key is sticking out:
Use needle-nose tweezers, a paper clip, or even a mini hacksaw blade (inserted along the key’s teeth) to gently pull the key out.
If it’s flush inside the lock, try to hook the fragment with a thin wire or strong paperclip.
4. Try a Magnet (if applicable)
Use a strong magnet to pull the key fragment out.
Note: This only works with keys made of iron or steel — not brass or aluminum.
❌ What Not to Do
Avoid making the situation worse:
Don’t insert the other half of the key — it may push the broken piece in deeper.
Don’t use sharp tools like knives or screwdrivers — they can damage the lock cylinder.
Don’t force the lock to turn — this could break the internal mechanism.
🔧 When to Call a Locksmith