Door Lock Ratings Protect your home and family with the best door lock or smart lock. Some door locks offer extra security with deadbolt and spring-bolt reinforcement technology.

For best results, be sure to take your time and use a sharp chisel. Most security lock systems will provide two lengths of screws. Whenever you add a security measure to reinforce your front door, it ...

With the door open, check to make sure the dead bolt extends and retracts smoothly. If it doesn't, disassemble the lock and make sure the parts were installed correctly. To unlock the dead bolt, just ...