There are several advantages of having a thumb screw window lock. In the following post, we will help you to select the best thumb screw window locks.

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Our Top Picks:

Best Overall: Buy: Shop Square Thumb Screw Window Lock READ REVIEW

Best With Fast Shipping: Buy: Defender Security Thumb Screw Window Lock READ REVIEW

Best For Great Price: Buy: Boao Thumb Screw Window Lock READ REVIEW

Best For Kid: Buy: Maxdot Thumb Screw Window Lock READ REVIEW

Best For Customer Service: Buy: Window Wedge Thumb Screw Window Lock READ REVIEW

Best For Premium Quality: Buy: Tahikem Thumb Screw Window Lock READ REVIEW

Best For Good Quality: Buy: Momentum S Thumb Screw Window Lock READ REVIEW

Best For Window Ac Unit: Buy: Defender Security Sliding Window Lock READ REVIEW

Best For Low Price: Buy: 1St Choice Thumb Screw Window Lock READ REVIEW

Best For Easy Install: Buy: Beisen Hardware Thumb Screw Window Lock READ REVIEW

Best Overall: Shop Square Thumb Screw Window Lock

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Shop square thumb screw window lock is the epitome of what a great lock should be. The Shop Square Thumb Screw Window Lock is designed to be used with horizontal and vertical sliding windows and sliding doors alike, window vice locks have long been the preferred choice of homeowners looking for added security. Use this window lock to protect your family from intruders and more. These window locks are easy to install with double door lock thumb screws securing sliding door & window tracks up to 3/16" wide with the rubber insert or 3/8" without the rubber window seal.

Lastly, the shop square thumb screw window lock is much sturdier and it is good for window lock security.

Almost all customers quickly discovered that the lock was made of aluminum and steel. Furthermore, a few also found that the lock is used to secure either window in a double hung.

• This is ideal for securing a vertical window air conditioner or window fan setup.
• This is used for heavy duty, is very simple and it has added extra security.
• These fit a variety of window frames and are padded to protect the frame itself.
• This will be ok long term.

Best With Fast Shipping: Defender Security Thumb Screw Window Lock

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Next on the list, we've got yet another lock that manages to win our hearts. It's the Defender Security Thumb Screw Window Lock and it's widely considered as one of the most convenient locks you can buy. The defender security thumb screw window lock is reasonable and it fits well. Make sure this fits by entering your model number. Further, the lock is made for quick delivery and it is reliable.

Finally, the defender security thumb screw window lock feels safe and it is best for good fit.

Almost all customers quickly discovered that the lock would move with applied pressure. And, a few say that the lock is quick and much easier than taking it all the way off. Further, a few strongly agree that the state lockdown so found this affordable and safe lock for all windows and sliding door.s.

• This is used to buy or make wood dowels for each window.
• This comes with a steel thumbscrew for use on metal horizontal sliding windows.
• This is feeling safe and it provides great security.
• This is great for a slider window.

Best For Great Price: Boao Thumb Screw Window Lock

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If you often find yourself scrambling for a convenient and suitable lock, Boao Thumb Screw Window Lock should be your first option for buying. The boao thumb screw window lock is suitable for various usages and it is perfect for security locks. Each lock is equipped with a key, no extra tools are needed, you just need to spin the key slowly through the hole and hold on the track by key control. In addition, it fits most vertical or horizontal sliding windows and doors.

Finally, the boao thumb screw window lock is great for peace of mind.

Almost all buyers agree that the lock is good for securing your windows. And, a few say that the locks are enough to install 2 each window. Moreover, a few strongly agree that the lock is easy to install, sturdy, light weight but strong. In short, many have used the lock for more than a few months without letup, and it shows no sign of giving up.

• This can be used on new vinyl sliding windows.
• The Manufacturer says: put our product on the windowsill.
• This does the trick, worked perfectly and it works perfectly.
• This is an old school but the best security ever.

Best For Kid: Maxdot Thumb Screw Window Lock

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The features department is where Maxdot Thumb Screw Window Lock truly manages to shine. The maxdot thumb screwwindow lock is strong, solid and sturdy, exquisite workmanship, aluminum alloy frame and stainless steel screws that can be taken full advantage of many times. Make sure this fits by entering your model number. Further, it is very secure and it is made of durable ingredients.

The lock is no need to install extra tools, it equips a hex key in each window locks, held on the track by key control. Above all, the maxdot thumb screw window lock is relatively sturdy, is highly recommended and it has a lock in place.

Most customers found that the lock allows them to easily be tightened securely. Further, they also found that the lock is easy to install, but there were no directions in the package. In conclusion, for most buyers, it was what they were looking for.

• This works well against metal frame.
• This is easy to use on windows.
• This can be easily applied to most environments.

Best For Customer Service: Window Wedge Thumb Screw Window Lock

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For a low asking price, Window Wedge Thumb Screw Window Lock has managed to overwhelm their customers by packing as many features as they could. The window wedge thumbscrew window lock is very simple, makes for a great solution, It is highly recommended and has a better design. The Manufacturer says: Our new slip-resistant base and commercial quality hook and loop material attaches to the window frame, making installation unbelievably quick and easy. The loop material easily attaches to the window frame ( see directions ) without the use of tools.

The lock is brand new, is very effective, it looks good and has an affordable design. Most importantly, the window wedge thumb screw windowlock is made of durable, impact resistant, abs plastic and has a tapered groove on the bottom that holds a strip of (velcro brand) hook material that mates with an 8 inch strip of (velcro brand) peel and stick loop material.

Almost all customers opine that the lock is meant for safety for children or break ins. In addition, a few also found that the lock is perfect and the wedge shape really makes it impossible to open the window any further than where the wedges are set. Moreover, they strongly agree that the lock is designed for added child safety and home security. In conclusion, most customers call the lock suits best, and no one questions it.

• This is designed for very easy installation and it works really well.
• This is a registered brand of cresci products, llc.
• It measures 3.25" x .8 and was also designed by a retired NYPD detective.
• This is designed for use on windows.

Best For Premium Quality: Tahikem Thumb Screw Window Lock

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Tahikem has been making a highly-reliable lock for years, thanks to a combination of clever design and high-end materials. The Tahikem Thumb Screw Window Lock is highly recommended and it has a lock in place. You can use the key wrench to slowly rotate the screw nut to secure it on the window track. The window safety lock is made of aluminum alloy, durable and sturdy.

The lock feels safe and it is reliable. Furthermore, the lock fit well and it fit perfectly. Finally, the tahikem thumb screw window lock is very effective, is very convenient, it is constructed with high-quality material and has a perfect design.

Almost all customers found that the lock has a protector piece that goes between the bolt and the window to protect it from any damage. Moreover, a few also found that the lock is easy to install and hold well when they’re on. In addition, a few say that the two set screws on each lock add to the security to prevent sliding. It comes with two set keys to make installing easier. In conclusion, for almost all customers, Tahikem product was just what they wanted.

• Manufacturer says: we will reply within 24 hours.
• It is easy to use, tough for kids to mess with.
• This measures your windows, it allows for good security and has a double lock design.
• It ensures your family members ' safety.

Best For Good Quality: Momentum S Thumb Screw Window Lock

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Compared with other locks in this category, the momentum thumb screw window lock has a convenient design. The momentum thumb screwwindow lock is very secure, includes hardware for easy installation and it works perfectly. Make sure this fits by entering your model number. Also, it works as advertised and it is great for an excellent price.

The lock is great for good quality and it is attractive. Finally, the Momentum S Thumb Screw Window Lock is highly recommend, is perfect for simple install and it feels safe.

Almost all buyers quickly discovered that the lock takes a split second to loosen a screw and pull it out. Also, they strongly agree that the lock is great for securing windows. And, they strongly agree that the only thing to remember is that the lock needs to be removed if the window needs to be used as an emergency exit. In short, many customers have used the momentum thumbscrew window lock for more than a few months without any issues, and it shows no sign of giving up.

• These are for regular windows, they definitely are not.
• This is easy to install and take off when needed.
• This is easy to use and can be placed anywhere in the window.
• This is easy to install and helps with home safety.

Best For Window Ac Unit: Defender Security Sliding Window Lock

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The Defender Security Sliding Window Lock is suitable and reliable and fits well with your regular use. The defender security sliding window lock can be trusted for good quality, It makes for great security and has a low-profile design. Keep your windows securely closed and safe with these 9809 sliding window locks for vinyl windows. This sliding windowlock can be used as a secondary lock when the window is shut and to secure the windows during ventilation.

The lock is unobtrusive, is designed for heavy duty, it provides great value and has a much better design. And, it works well for large window, it feels safe and has a perfect design. Most importantly, the defender security sliding window lock is very durable, is easy to apply and it fits perfectly.

Most buyers found that the lock is easy to install with no drilling. Further, they say that the lock fits out 20+ year old vinyl windows. And, a few strongly agree that the lock allows the window only to open to a desired height. Overall, for most buyers, it was what they were looking for.

• This works well, looks nice in the windows too.
• This is easy to use, felt quite heavy, and is hard to slide when desired.
• This is easy to set up, and not crazy bulky.
• These take seconds to install and are sturdy.

Best For Low Price: 1St Choice Thumb Screw Window Lock

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate lock. The 1St Choice Thumb Screw Window Lock is exactly that - it's a simple lock that hits all the right notes. The 1st choice thumb screw window lock locked in place and it is perfect for simple install. Make sure this fits by entering your model number. Moreover, this is great for the low price and it is very security.

The lock is unobtrusive, is super secure and it is worth the money. Moreover, it feels safe, is made of solid steel and it has replaced the window. Finally, the 1st choice thumb screw window lock includes hardware for easy installation and it provides great security.

Most customers found that the lock is good as a normal window lock. And, they strongly agree that the lock is easy to "un-do" for safety if necessary.

• This is great for bracing windows with a/c units in them.
• This does not fit most standard size windows.
• This is great for making a small sliding window child.
• This is easy to use to secure windows.

Best For Easy Install: Beisen Hardware Thumb Screw Window Lock

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The Beisen Hardware Thumb Screw Window Lock is satisfactory and appropriate and fits well with your daily purpose. The beisen hardware thumb screw window lock has added extra security, allows for easy install, It fits perfectly and has a better design. This lock requires no tools for installation. These slider locks are perfect for patio doors, sliding glass doors, sliding windows, retractable screen doors, or sliding storm windows.

The lock is strong enough and it does the trick. Lastly, the beisen hardware thumb screw window lock worked fine and it is made for a nice tight fit.

Almost all buyers quickly discovered that the lock allows a window to be locked partially open where most cannot for security while sleeping on hot nights without air conditioner. Moreover, a few say that the lock is great for extra security keeping windows closed or only open enough for a breeze. Moreover, a few also found that the lock measures 1/2 inch to add to that, definitely made a difference. Consequently, buyers were eager to recommend it to friends and would-be buyers.

• This is highly recommended and it is easy to attach.
• Easy installation with no tools required.
• Heavy-duty aluminum construction, inner vinyl lining prevents scratching damage.
• This works very well and it makes for easy installation.