After the padlock locksmith came up with the concept of deadbolt series of locking system. Such series of locks are also recognized generally as the successor of padlocks. The outer design of the deadbolt lock is similar to the padlock but from inside it holds differences. Like the padlock operate on a spring-based mechanism in which small pins inside of a lock is moved in a chain by the springs and in deadbolt locks, experts replace the spring-based mechanism with the simple movement. they do such thing for a reason; the spring system allows the person to bypass the lock which is a serious kind of issues and experts by removing spring makes things more secure and durable in the form of deadbolt locks. Currently, as per the locksmith staten island, a deadbolt lock is considered the best for securing the main gate of the house, as it is unpickable and hard enough to bear heavy pressurized stroke easily.