Comparing a Double- vs Single-Cylinder Deadbolt Lock

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A deadbolt lock is an additional lock installed on entry doors Move to the door frame to create the mortise slot for the deadbolt strike

It's pretty easy to tell a single-cylinder deadbolt lock apart from a double cylinder lock A single-cylinder deadbolt has a slot for a key A deadbolt lock is an additional lock installed on entry doors Move to the door frame to create the mortise slot for the deadbolt strike

pg slot joker123 On the backside it has a special emergency slot for unlocking the door, plus a small rosette plate with an optional plug to cover up the hole The extra Turn cam to retract bolt before installing Use wood block against face and tap with hammer to install Place screwdriver in slot to separate and remove