Single-cylinder deadbolts (keyed on one side) will work fine for most situations. Double-cylinder deadbolts (keyed on two sides) are a good idea if you have a window near the deadbolt. For safety ...

Leave the lock cylinder on the door and spray inside the keyway. Then, insert your key and twist it several times to work in ...

The Yale Approach Lock with Wi-Fi + Keypad is our pick for deadbolt adapter locks. It should work with most any single-cylinder deadbolt, is easy to install, and works quickly and reliably.

As there are so many smart locks available, we've broken them down into deadbolt locks, multi-point locks, euro cylinder locks and night latch locks. One thing to be aware of is that typically a ...

SALTO GEO Electronic Cylinder Heavy Duty Deadbolt combines the advanced security of a ‘keyless’ high security electronic cylinder with the simplicity of a deadbolt. It meets the A156.36 grade 1 ...