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Locksmith - Questions & Answers

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All Questions (16)

What is the most common type of lock?

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Pin tumbler locks are popular because they are relatively secure for most residential applications and generally inexpensive. Since the entire locking mechanism in this device is contained in a single cylinder, pin tumbler locks are also very easy to swap in and out. Most exterior doors on homes and apartment buildings will have at least one of each of these locks. Knob locks are quick to open and can be convenient when minimal security is acceptable, but they are very easily forced open....Read More

How does a pin tumbler lock work?

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Enclosed in a doorknob, these devices contain spring-loaded pins of varying sizes, which must be pushed upward before the knob can be turned to open the door. When the correct key is inserted into a pin tumbler lock, the grooves on the key's blade push the pins up to the precise height needed to allow the inner chamber to turn....Read More

What are the pros and cons of a deadbolt lock?

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When a lock is paired with a deadbolt, the door becomes harder to open. Deadbolts work by driving a thick metal rod into the door frame, which prevents most quick methods of defeating locks, like using a shim or brute force. Deadbolts aren't impenetrable and can be lockpicked or defeated with much stronger ramming force....Read More

What are the pros and cons of a mortise lock?

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Mortise locks engage a deadbolt with the turn of the key, just as normal. But upon unlocking, the doorknob will open in tandem with the deadbolt. These locks tend to be much stronger than traditional deadbolt designs, but are often harder to install and thus more expensive....Read More

What are the pros and cons of a "jimmy-proof" lock?

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It is impervious to being pried open like many deadbolt systems could be, hence the "jimmy-proof" name. It is also typically harder to pick, and is very inexpensive. These locks engage a metal rod that fits into a separate chamber outside of the door frame, rather than through the frame. While its design is simple, it has many advantages over traditional deadbolts or mortise locks....Read More