When it comes to the manual locking system locksmith consider deadbolt lock as the most superior one. According to the locksmith, deadbolt locks are also considered as the successor of padlocks. people nowadays show less interest in using padlocks and instead of that they mainly focus on using deadbolt locks for maintaining a healthy secure atmosphere mainly within the residential kind of areas. Deadbolt locks are mainly used in our part of the property at the main gate. According to the locksmith silver spring, the main gate of the property is the most sensitive part and it needs to be secured at any cost. Deadbolt locks are generally available in two variants which are the single cylindric deadbolt lock and the double cylindric deadbolt lock. Both such locks are the best and used based on personal requirements and specifications. A double cylindric deadbolt lock is most superior toa single cylindric deadbolt lock.