Whenever it comes to the most superior locking system specifically within the category of manual locking, the locksmith considers the deadbolt series of locks on the top. Deadbolt locks are also called the successor of padlocks. it is the most special kind of lock mainly used for securing primary things. generally, there are two types of deadbolt locks are available within the market one is a single cylindric deadbolt lock and the second is the double cylindrical deadbolt locks. Both are best in the category and used mainly based on the security requirement. Single cylindric deadbolt locks are mainly used for securing inside doors and in brief, it is considered as the secondary locking and on the other side for securing the main gate double cylindric deadbolt locks are used which is recognized as the primary locking. Columbia Locksmith suggests deadbolt locks for securing the main gate of the property. Deadbolt locks are quite difficult to pick and this property makes it most special or different from others.