How To Open A Mortice Lock Door Without A Key

Front door has to be locked from inside.

How to open a mortice lock door without a key.

The door has been realigned however even with the door open the key won t turn in the lock. Reinstall the lock in the mortise screw on the faceplate and replace the spindle and knob. If you want to pick a lock in order to unlock a door without a lock you will need some basic lock picking tools. Without a key or a lock smith the most common way is to drill the lock out.

Insert the matching key into the mortise key hole. The solution to this problem is to remove the lock clean it thoroughly then use liberal amounts of a lubricant such as wd 40 before attempting to use a key or pick it. Start with a 1 4 bit and drill in the center of the key hole. Dust out the lock s case and spray it with a penetrating lubricant such as wd 40 as shown.

The door knob and keyhole for the lock are embedded in the lock body and a key is required to lock and unlock the door window or piece of furniture with this type of locking device. If the lock in question is on a piece that was stripped and refinished but the lock itself was not removed before the work was done it can be clogged with finishing and debris. For a mortice lock that will not open even when the key will turn i think you will need to cut the lock with an angle grinder using a thin metal cutting blade please also use gloves and eye protection. We lost our garage key a few weeks ago and have now decided its not going to turn up.

Keep moving to larger bits till the lock tumblers break.