Ball entry door knob keyed on both sides.
Opening door lock both sides with keys.
Electronic door locks use an electronic keypad instead of a key.
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.
Entry can be gained by entering a numeric code on the programmable keypad without the need for a key.
Danger of double key locks.
Some have a button on the inside that you press to lock the door.
For use in combination with a door knob lever lock.
After turning the thumbturn or the key the mechanism pushes a latch that inserts into a hole in the door frame.
5 levers the number of levers should be stamped on the faceplate of lock e g 5 lever.
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.
Double cylinder deadbolts have a keyed cylinder on both sides.
Installation is similar to other types of locks for doors.
Keyed entry door knobs have a lock and key mechanism on both sides for safety and security.
Pocket door locks allow locking the door from one or both sides.
Double locking cylinders.
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.
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.
The button unlocks when you turn the interior knob.
They re used on front doors patio doors garage doors that go into your home or other exterior doors.
That would be a dead lock or dead bolt.
Usually the user can operate the locking mechanism using a thumbturn or a key.
Lock fitted in door material the lock is fitted into the leading edge of the door not the surface of the door.
Provide greater control over access to your home.
Unless it is keyed on both sides i.
For home protection 4 0 out of 5 stars 16 amazonbasics exterior door knob with lock coastal satin nickel.
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.
Bump resistant anti pick pins.