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Door Lock Replacement - What You Need to Know It is a good idea for you to replace your locks when they start to show signs that they are worn out. This could be due to things like difficulty turning the lock or having a key that doesn't fit. The good news is that installing new hardware for your door is actually very easy. All you have to do is follow these simple steps. Deadbolt The deadbolt is the main security for your door against forced entry. It is more durable and secure than the latch that opens th