![]() If you’re not sure which you should purchase, contact a locksmith to provide a security examination of your current lock system. Grade 1 locks provide the most security, while Grade 3 locks provide the least. Locks are tested and receive one of three grades: Grade 1, Grade 2, and Grade 3. ![]() It’s so widely accepted that most home retailers categorize locks based on these grades.įortunately, the ANSI grade scale is very simple. ANSI has created a grading system for door locks. The Lock Grading Systemīefore you purchase a lock, you should be familiar with the American National Standards Institute (ANSI). If a burglar wants to break through your vertical deadbolt lock, they’ll have to provide enough force to remove the jamb from the frame entirely. A vertical shaft, built into the bar, slips through the rings and secures the door in place. These rings mesh with another pair on the door frame. On a vertical deadbolt, the bar ends with a set of rings. Vertical deadbolt locks remove this risk. On horizontal deadbolts, it’s possible that a burglar can pry a door away from its jamb. While deadbolts are resistant to physical force, they still have their own drawbacks. Or instead, only use double cylinder locks on doors and windows that won’t be used during an emergency. If you choose to utilize double cylinder deadbolts, it’s best to always have the key on your person. The last thing you want to do during an emergency is trying and remember the last place you put your keys. In case of an emergency, such as a fire, you would need a key to unlock any double cylinder deadbolts. However, this presents a serious safety hazard for the occupants. Normally they’d have access to the thumb turn, which isn’t present on double cylinder locks. No matter where you are, you must use a key to lock or unlock the door.ĭoesn’t this seem like overkill? It might, but double cylinder deadbolts make it impossible for burglars to unlock the door by reaching through a window. This means that no doorknob is present on the exterior or interior. A double cylinder deadbolt lock has a key cylinder on either side of the door. Most businesses rely on double cylinder deadbolts to protect their property. In addition to single cylinder locks, there are also double cylinder locks and vertical locks. Although deadbolt locks are convenient to operate from within your home, they are not the most secure option available. This is the latch you turn without a key. On the interior side of a single cylinder is a thumb turn. Instead, they have a flat cylinder, which requires a key to operate. ![]() Single cylinder locks don’t have doorknobs on the exterior. The Different Types of Deadbolt LocksĪ standard deadbolt has a single cylinder. It’s likely that your exterior doors already feature basic deadbolts, but your windows and minor doors probably don’t. In short, deadbolt locks are more secure against forced entry. These locks are heavier and sturdier, usually made of steel, and make forced entry more difficult.Īlthough spring bolt locks and deadbolt locks can be picked, deadbolt locks tend to be more resilient. In contrast, deadbolts never have doorknobs on the exterior.ĭeadbolt locks are hard to pry open or “jimmy.” As another security feature against jimmying, deadbolts are not angled. Since these locks tend to be cheaply constructed, the doorknob and bolt are also vulnerable to brute force. ![]() This can be done with something thin and mundane, such as a credit card. Spring bolt locks are susceptible to prying because they can release the spring without the use of a key. The differences between these locks may seem trivial, but they actually amount to important security differences. When you turn the doorknob, it retracts a spring holding the bolt in place and allows you to open the door. Instead, the key allows the doorknob to be turned. ![]() But with a spring bolt lock, the key doesn’t move the bolt. You might be thinking this sounds like a standard door lock, known as a spring bolt lock. By rotating the key in a deadbolt’s cylinder, this physically maneuvers the bolt. The bolt is the metal bar that dives into the adjoining door frame and secures the door in place. The bolt of a deadbolt lock earns its namesake by being immovable, or dead unless operated with a key. We’ll cover the various security features of a deadbolt lock and explain why they’re more secure than typical door locks. To make the right purchase, you need the right advice. But with so many models, safety ratings, and prices, how do you choose the one that’s right for you? You might be considering deadbolt locks to improve your home security. When a determined burglar wants to break into your home, are your locks up to the task? Over 60% of these burglaries involved forcible entry. In 2017, there had been more than 1.4 million burglaries across the US. ![]()
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