We consider a casement window auxiliary lock to be a worthy investment in the long run. In the following post, we will help you to select the best casement window auxiliary locks.

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Our Top Picks:

Best Overall: Buy: Rishon Enterprises Inc Casement Window Auxiliary Lock READ REVIEW

Best For Great Price: Buy: Boao Casement Window Auxiliary Lock READ REVIEW

Best For Good Quality: Buy: Momentum S Casement Window Auxiliary Lock READ REVIEW

Best For Customer Service: Buy: Tahikem Casement Window Auxiliary Lock READ REVIEW

Best For Sliding Window: Buy: Oyu Casement Window Auxiliary Lock READ REVIEW

Best For Kid: Buy: Maxdot Casement Window Auxiliary Lock READ REVIEW

Best For Fast Delivery: Buy: Primeline Casement Window Auxiliary Lock READ REVIEW

Best For Easy Replacement: Buy: Andersen Casement Window Auxiliary Lock READ REVIEW

Best For Stainless Steel: Buy: Sevrwell Casement Window Auxiliary Lock READ REVIEW

Best With Key: Buy: Reliancer Casement Window Auxiliary Lock READ REVIEW

Best For Small Doors: Buy: Kamtop Casement Window Auxiliary Lock READ REVIEW

Best For Patio Doors: Buy: Sidasu Casement Window Auxiliary Lock READ REVIEW

Best Overall: Rishon Enterprises Inc Casement Window Auxiliary Lock

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The Rishon enterprises inc casement window auxiliary lock is long-lasting, rigid and fits well with your daily purpose like a dream. The Rishon enterprises inc casement window auxiliary lock made in Canada, Burglabar’s adhesive bonds like a weld for maximum strength. If your pinky fits between the two sliding pieces, so will the burglabar ( 3/8" ). The price is 4 pk. Further, it works great now, it works well and has a great design.

Finally, the Rishon Enterprises Inc Casement Window Auxiliary Lock is a unique self-locking hinge type lock designed to offer additional security protection for sliding patio doors and sliding windows.

Almost all buyers opine that the lock is easy to install, door is very secure. Moreover, they also found that the lock is easy to apply, easy to operate, effectively stops the window. Moreover, a few strongly agree that the burglar bar be installed as close as possible to the sliding door possible.

• This is easy to install and has stayed on for months without.
• This is the perfect burglar bar for first floor apartments and homes.
• Manufacturer says: we recommend using 2 burglabars for sliding doors.
• This will hold back the patio door.

Best For Great Price: Boao Casement Window Auxiliary Lock

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Compared with other locks in this category, the Boao Casement Window Auxiliary Lock has a convenient design. The boao casement window auxiliary lock is great for peace of mind. Please check your window track before buying. And, the lock does the job and it works perfectly.

Most importantly, the boao casement window auxiliary lock is designed for a great price and it is inexpensive.

Most buyers agree that the lock can be used on new vinyl sliding windows. In addition, they say that the lock is good for securing your windows. In addition, they say that the locks are enough to install 2 each window. To sum up, the tone of buyers is very positive and we believe that the lock suits the purpose.

• Turning it clockwise and get it as tight as you can.
• This is easy to install, sturdy, light weight but strong.
• This did the trick, worked perfectly and it is great for various usages.
• The Manufacturer says: put our product on the windowsill.

Best For Good Quality: Momentum S Casement Window Auxiliary Lock

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The Momentum S Casement Window Auxiliary Lock's material feels more premium than its price would suggest. The momentum s casement window auxiliary lock works as advertised and it is highly recommend. Make sure this fits by entering your model number. Also, the lock is inexpensive and it is good for an excellent price.

The lock is designed for a great price and it does the job. Moreover, it can be trusted for good quality and it is made for easy installation. Finally, the momentum s casement window auxiliary lock is compatible with 7 x 6 x 1.7 inches.

Almost all buyers found that the lock is easy to use and can be placed anywhere in the window. And, they say that the lock is great for securing windows. Further, they say 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.

• These fit on 99.9 percent of all windows.
• This is easy to install and take off when needed.
• This is good for simple install and it feels safe.
• This is great as a precaution, be careful with local codes and adequate fire escapes.

Best For Customer Service: Tahikem Casement Window Auxiliary Lock

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Not everyone likes to purchase a lock for their daily purpose, but the Tahikem Casement Window Auxiliary Lock would be an anomoly. The tahikem casement window auxiliary lock is designed by Tahikem, equipped with 4 locks, 4 keys, 4 transparent gaskets, 8 non-slip rubber pads, 1 vertical hex key, and 1 installation manual. It ensures your family members ' safety. The window safety lock is made of aluminum alloy, durable and sturdy.

The lock feels safe and it is very sturdy. Finally, the tahikem casement window auxiliary lock is very effective, allows for good security, it is reliable and has a great design.

Most buyers agree that the lock has a protector piece that goes between the bolt and the window to protect it from any damage. In addition, they also found that the lock is easy to install and hold well when they’re on. And, they say that the lock is easy to use, tough for kids to mess with. Overall, many buyers have used the tahikem casement window auxiliary lock for more than a few months without letup, and it shows no sign of giving up.

• This match for white sliding windows, sliding doors and vertical doors.
• This is used for vinyl windows and it has a strong grip.
• This is highly recommend, it is great for simple installation and has a better design.
• Manufacturer says: we will reply within 24 hours.

Best For Sliding Window: Oyu Casement Window Auxiliary Lock

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The Oyu Casement Window Auxiliary Lock's superior materials make sure that it ages well with use. The oyu casement window auxiliary lock provides enough friction between the lock and the track to ensure that the window will not slide open. Make sure this fits by entering your model number. This adjustable lock for home is suitable for both windows and sliding doors.

The lock comes with the matching key, The installation can be completed in two minutes, no additional installation tools are required. And, it works well for good quality, It is rustproof and has a perfect design. Lastly, the oyu casement windowauxiliary lock has protective gaskets, it is easy to reuse and has an upgrade protection design.

Almost all customers agree that the lock is easy to install and is the perfect added security for all types of sliding windows or doors. Furthermore, a few also found that the lock is easy to use, keeps the window locked in place. Moreover, they also found that the key lock feature is nice but the plastic spacer gives extra work. Obviously, this lock passed the test and had very satisfied buyers eager to share their experience.

• You can easily fix the window lock at any part with the vertical key.
• This is perfect for quick install and it is good for window lock security.
• This is made for horizontal windows, It is important and has great design.
• This is great for sliding and it works really well.

Best For Kid: Maxdot Casement Window Auxiliary Lock

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The best part: Maxdot Casement Window Auxiliary Lock costs comparatively low and it is available to ship in 24 hours. The maxdot casementwindow auxiliary lock is good for good quality, is good for necessary items, It is very sturdy and has a single-lock design. Open the screen window when the weather is hot in summer, which can improve air circulation, You can use the window locks to fix the screen window, It can prevent children from falling and prevent thieves. And, the lock is present and has a perfect design.

The lock is convenient to install, it has a strong grip and has a better design. Finally, the maxdot casement window auxiliarylock is designed for a great price, It works as expected and has a great design.

Almost all customers agree that the lock can also be used on double - hung windows. And, a few also found that the locks are older and have a thicker trim. Obviously, this lock passed the test and had very satisfied buyers eager to share their experience.

• This comes with a clear plastic plate to protect frame material from the screw.
• This is great for child safety.
• This is easy to install/remove since windows or slider doors can need opening often.
• This is good for preventing break - ins.

Best For Fast Delivery: Primeline Casement Window Auxiliary Lock

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The Primeline Casement Window Auxiliary Lock's material feels more premium than its price would suggest. The primeline casement window auxiliary lock can be used on older style wood windows. Make sure this fits by entering your model number. Moreover, it is perfect for great quality, looks great and it looks good.

The lock has 3 different keepers for special mounting applications. Moreover, the lock has nice locks and it will for excellent value. Above all, the primeline casement window auxiliary lock is designed for a great price, is made for quick delivery and it comes with excellent customer service.

Almost all customers agree that the lock is a perfect fit to replace a broken latch. In addition, a few also found that the lock was made in China, though additionally it is the best price on the internet. In conclusion, most buyers agree that the lock suits them best, and no one questions it.

• This works with exact match, it provides for easy install and has a perfect design.
• This comes with multiple closing latch options as shown, which is nice.
• This is perfect for a large cabin window.

Best For Easy Replacement: Andersen Casement Window Auxiliary Lock

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We would, of course, be remiss if we didn't mention Andersen Casement Window Auxiliary Lock for daily usage. The andersen casement window auxiliary lock is easy to replace and it matches perfectly. A right hand unit will have the sash lock on the right side as viewed from the interior of your home. And, this has replaced screws, it fits well and it works perfectly.

Lastly, the andersen casement window auxiliary lock works with primed wood casement windows manufactured from 1974 to 1980.

Most customers agree that the lock is a perfect direct replacement. Also, they say that the lock fits old holes to add to that it is perfectly, timely delivery. And, a few say that the lock is a perfect replacement lock for the andersen casement window. In conclusion, the tone of buyers is very positive and we believe that the lock suits the purpose.

• This works with exact match, worked perfectly and it works as expected.
• Works with perma-shield awning windows manufactured from 1981 to 1995.
• This amerock sash lock is for a right hand unit.
• This works with perma-shield awning windows manufactured from 1981 to 1995.

Best For Stainless Steel: Sevrwell Casement Window Auxiliary 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 Sevrwell Casement Window Auxiliary Lock is exactly that - it's a simple lock that hits all the right notes. The sevrwell casement windowauxiliary lock is best for stainless steel cable, It works perfectly and has a better design. You will love the stainless steel door limit lock. Also, the lock is designed to lock without a key, to unlock a key is required. Most importantly, the sevrwell casementwindow auxiliary lock is good for large window, has surface treatment, It is designed for easy installing and has a great design.

Most buyers opine that the locks are installed on 2nd story windows so the building inspector would feel kids would not fall out the windows.

• Easy install:installation takes less than two minutes.
• All-metal design:aluminum alloy, surface electrogalvanizing alloy, not drop paint, stainless steel cable,durable.
• Applicable places: family, hotel, large window, hospital, bank, etc.

Best With Key: Reliancer Casement Window Auxiliary Lock

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The Reliancer Casement Window Auxiliary Lock is satisfactory and appropriate and fits well with your daily purpose. The reliancer casement window auxiliarylock comes with a great window, is ideal for the stainless steel frame, It is built for adjustable length and has a perfect design. Use two locks on heavy-duty windows/doors for added security and keep them in place by key control. These 4 pieces safety window locks have sturdy construction, made of high quality thickened stainless steel and strengthened screw rod which are strong, solid and sturdy.

Lastly, the reliancer casement window auxiliary lock is very durable and it allows for easy installation.

Almost all customers opine that the lock can go above to lock or below to hold a window up. Moreover, a few strongly agree that the lock is made of plastic but stainless steel.

• This is used for vinyl windows and it protects your family.
• This is easy to use with security in place in a minute.
• This is perfect for door locks, it works well and has a great design.
• This works well, is very simple and it works perfectly.

Best For Small Doors: Kamtop Casement Window Auxiliary Lock

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The Kamtop Casement Window Auxiliary Lock is capable of outshining several other locks featured in this list in overall features for the price point. The kamtop casement window auxiliary lock is very effective and it worked perfectly. Make sure this fits by entering your model number. Moreover, it is great for wide applications and it is built with high-quality material.

The lock can be locked and unlocked as required. Most importantly, the kamtop casement window auxiliary lock is in place, the distance the window can open is limited.

One customer says - "Very effective in securing windows...especially if you have kids. ". Most customers find that the lock is installed in minutes and has kept the kiddo inside. Therefore, customers were very happy to recommend it to friends and families.

• The Manufacturer says: we always keep moving.
• This is great for door locks, can be used for customer service and it is public.
• This can to paying attention to small details to create the most appropriate product.
• Package includes --- 4 x window security restrictor with keys and screws.

Best For Patio Doors: Sidasu Casement Window Auxiliary Lock

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We would, of course, be remiss if we didn't mention Sidasu Casement Window Auxiliary Lock for regular usage. The sidasu casement window auxiliary lock can also protect children from falling out of open windows. If you are not home, windows can stay open to the width or height you wish. Lock the height in place with the push of a pin. It stops criminals from entering homes through open windows or patio doors. Also, this provides extra resistance from forced entry.

The lock is constructed with steel construction and has a better design. Moreover, it is highly recommend, it is very sturdy and has a unique design. Lastly, the sidasu casement window auxiliary lock provides it with a longer longevity and makes it harder to break off or deform.

Overall, buyers found this to be one of the best locks for daily purposes.

• This fits discretely in window / door tracks and looks decent.
• Decide how high you want the window to open with the 10 adjustable settings.
• Press the buckle and adjust its length to your needs.
• Stop forced entry or unexpected excidence.