Is a Thumb Turn Lock Safe

Thumb turn cylinders use a key on the exterior side of the door and a thumb turn on the interior side. They are a good security solution as residents can lock and unlock their doors without the need for a key.

How do you unlock a thumb lock?

The thumb turn style privacy door knob locks by turning a small, flat button located in the center of the interior door knob. To unlock from the inside the button must be rotated back in the opposite direction.

How does bathroom thumb turn lock work?

Now, you might wonder, “How does the thumb turn lock work?” In the simplest terms, you set the thumb turn clockwise to lock, and anti-clockwise to unlock. The mechanical explanation behind this is: when twisted, the thumb turn operates a deadbolt to lock/unlock the door from the inside of the bathroom.