For use in combination with a door knob lever lock.
Opening door lock both sides with keys.
Double cylinder deadbolts have a keyed cylinder on both sides.
Electronic door locks use an electronic keypad instead of a key.
Provide greater control over access to your home.
She had left the key in the double key deadbolt but investigation revealed that in her rush to escape the fire by turning the lock she had pinched the key causing it to move.
Entry can be gained by entering a numeric code on the programmable keypad without the need for a key.
After turning the thumbturn or the key the mechanism pushes a latch that inserts into a hole in the door frame.
Bump resistant anti pick pins.
Pocket door locks allow locking the door from one or both sides.
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Installation is similar to other types of locks for doors.
Danger of double key locks.
Open with a key you can open the lock from both sides with a key.
While latch is larger the safer is the pocket door lock.
This is a good option for doors with glass or windows since an intruder can t break into the door even if the glass window is broken.
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That would be a dead lock or dead bolt.
Door knobs communicating.
Keyed entry door knobs have a lock and key mechanism on both sides for safety and security.
A dead bolt deadbolt or dead lock is a locking mechanism distinct from a spring bolt lock because a deadbolt cannot be moved to the open position except by rotating the key.
Unless it is keyed on both sides i.
Ball entry door knob keyed on both sides.
5 levers the number of levers should be stamped on the faceplate of lock e g 5 lever.
Lock fitted in door material the lock is fitted into the leading edge of the door not the surface of the door.
The button unlocks when you turn the interior knob.
When i was a los angeles county deputy sheriff i had the sad observation of seeing a young woman who was killed by smoke inhalation.
Usually the user can operate the locking mechanism using a thumbturn or a key.
They re used on front doors patio doors garage doors that go into your home or other exterior doors.