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 ...

Satin nickel deadbolt and the door knob combo pack comes with a keyed entry Juno knob and a single cylinder deadbolt featuring SmartKey Security for exterior doors where keyed entry and extra ...

Other new innovations include the versatile GEO (Global Electronic Opening) electronic cylinder lock now available with a stylish white reader, as well as GEO Wireless. Modular, flexible and easy to ...

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 lube. That should be enough to unjam the deadbolt, but if it's ...

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.