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The choice between a single cylinder deadbolt and a double cylinder deadbolt depends on the specific security needs of your home or business. Deadbolts are normally available in the most popular finishes, such as satin nickel, oil, rubbed bronze, black, and chrome. Here are the differences between the two types of deadbolts:
A single cylinder deadbolt has a keyhole on the exterior side of the door and a thumb turn on the interior side. This makes it easy to lock and unlock the door from the inside, but it also means that if someone breaks a nearby window, they can reach in and turn the thumb turn to unlock the door.
A double cylinder deadbolt has a keyhole on both the exterior and interior sides of the door. This makes it more secure than a single cylinder deadbolt because someone cannot reach in and unlock the door from the inside if they break a nearby window. However, it also means that you need a key to unlock the door from the inside, which can be a safety hazard in the event of a fire or other emergency.
In general, a single cylinder deadbolt is suitable for most residential applications, while a double cylinder deadbolt is often used in commercial settings or in areas where there is a high risk of burglary or break-ins. However, it is important to consider your specific security needs and consult with a professional locksmith or security expert to determine the best option for your particular situation.
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