To lock from inside you turn the key or thumb turn to wind out the deadlock.
Slam shut door lock.
Based on the popular crimebeater lock the all new autolock fire door slam shut door lock is engineered to provide long term reliability and security.
They have multipoint latches.
Tch hardware 2 pack stainless steel paddle slam latch with lock key flush single point handle for door trailer rv jeep 4 1 out of 5 stars 18 39 95 39.
Even better once shut they can t be opened from outside without a key.
Pas 24 tested and secured by design licensed the fire door slam shut autolock has been engineered to provide long term reliability and security.
They don t have level handles.
We re happy to recommend the winhaus av2 slam lock which comes with a 5 year guarantee.
These locks are generally designed for pull bar handles but can be used with a knob and finger pull.
Available in dual spindle for use with 92mm 92mm or 92mm 62mm long backplate handles and is supplied complete with strike plate.
It has an actuator unit positioned between the centre case and the top bolt.
Externally you pull to and all latches engage and you turn key to deadlock.
A single rotation of the key then locks the door.