20 Best Lock For Windows [2024]

Are you looking for the best lock for windows? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling lock for windows.

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# Preview Product
1 1 X Lot of 4 Pcs Sliding Window Lock (12 Pack) 1 X Lot of 4 Pcs Sliding Window Lock (12 Pack)
2 Defender Security U 9819 Sliding Window Security Lock, Economy, Aluminum (Pack of 4) , Silver Defender Security U 9819 Sliding Window Security Lock, Economy, Aluminum (Pack of 4) , Silver
3 Toddleroo by North States Sliding Window & Door Wedge Locks | Limits The Space That Windows and... Toddleroo by North States Sliding Window & Door Wedge Locks | Limits The Space That Windows and...
4 4 Pack Sash Locks Laelr Window Sash Lock with Keeper Diecast Construction Sliding Window Sash Lock... 4 Pack Sash Locks Laelr Window Sash Lock with Keeper Diecast Construction Sliding Window Sash...
5 Window Locks, 10 Pack Window Locks for Vertical and Horizontal Windows, Sliding Window Locks,... Window Locks, 10 Pack Window Locks for Vertical and Horizontal Windows, Sliding Window Locks,...
6 4 Sets Sliding Window Locks, Security Window Lock Aluminum with Key, Window Stoppers for Vertical &... 4 Sets Sliding Window Locks, Security Window Lock Aluminum with Key, Window Stoppers for Vertical...
7 Defender Security U 9802 Sliding Window Lock, 1/4 inch, Extruded Aluminum, White Painted Finish... Defender Security U 9802 Sliding Window Lock, 1/4 inch, Extruded Aluminum, White Painted Finish...
8 Prime-Line F 2744 Sash Lock, Single Unit, White – Diecast Construction, White Powder Coat w/... Prime-Line F 2744 Sash Lock, Single Unit, White – Diecast Construction, White Powder Coat w/...
9 Prime-Line Products F 2620 Spring Cam Action Window Sash Lock, White Prime-Line Products F 2620 Spring Cam Action Window Sash Lock, White
10 Prime-Line U 9809 Sliding Window Lock for Vinyl Windows – Easy Installation to Keep Windows... Prime-Line U 9809 Sliding Window Lock for Vinyl Windows – Easy Installation to Keep Windows...
11 SECURITYMAN Sliding Door Security Bar-Child Proof Sliding Door Lock Bar with Anti Lift Lock - Fits... SECURITYMAN Sliding Door Security Bar-Child Proof Sliding Door Lock Bar with Anti Lift Lock -...
12 Cardinal Gates Safe Window Warden, (2-Count): Window Security/Window Safety for Children | Window... Cardinal Gates Safe Window Warden, (2-Count): Window Security/Window Safety for Children | Window...
13 Securityman Window Security Bar - Easy Install for Horizontal/Vertical Windows - Adjustable Window... Securityman Window Security Bar - Easy Install for Horizontal/Vertical Windows - Adjustable...
14 Impresa Sliding Door & Window Locks Pack of 10 | Window locks for Sliding Windows & Doors | Easy... Impresa Sliding Door & Window Locks Pack of 10 | Window locks for Sliding Windows & Doors | Easy...
15 August Smart Lock, 2nd Generation, HomeKit enabled (Silver) August Smart Lock, 2nd Generation, HomeKit enabled (Silver)
16 Window Latch Locks Window Parts and Hardware Window Tilt Latch Plastic Construction, Spring Loaded,... Window Latch Locks Window Parts and Hardware Window Tilt Latch Plastic Construction, Spring...
17 Lock-it Block-it – (4 Devices) Home Security Adjustable Window Locks/Window Security Bars, Door... Lock-it Block-it – (4 Devices) Home Security Adjustable Window Locks/Window Security Bars, Door...
18 Window Locks, 4 Sets Sliding Security Window Locks with Key for Vertical&Horizontal Sliding... Window Locks, 4 Sets Sliding Security Window Locks with Key for Vertical&Horizontal Sliding...
19 Prime-Line F 2588 Sash Lock, Diecast Construction, White, Used On Vertical and Horizon Prime-Line F 2588 Sash Lock, Diecast Construction, White, Used On Vertical and Horizon
20 OYU Window Locks, 8 Pack Adjustable Sliding Door Lock with Key, Aluminum Window Security Safety... OYU Window Locks, 8 Pack Adjustable Sliding Door Lock with Key, Aluminum Window Security Safety...
Bestseller No. 1
1 X Lot of 4 Pcs Sliding Window Lock (12 Pack)
  • Used to secure sliding window in a closed or ventilating position
  • Thumb turn screw secures lock in place
  • Extruded aluminum construction
  • Fits up to 1/8 in. thick rails
  • Include 12 pack window lock.
SaleBestseller No. 2
Defender Security U 9819 Sliding Window Security Lock, Economy, Aluminum (Pack of 4) , Silver
  • Used to secure sliding window in a closed or ventilating position
  • Thumb turn screw secures lock in place
  • Fits up to 1/8 in. thick rails
  • Extruded aluminum construction
  • Easy to install
Bestseller No. 3
Toddleroo by North States Sliding Window & Door Wedge Locks | Limits The Space That Windows and...
  • WINDOW & DOOR WEDGE LOCKS (4-pack): The perfect solution to prevent your curious little one from sliding windows and doors open.They work in multiple...
  • NEW NAME - SAME GREAT BRAND YOU TRUST: Toddleroo by North States not only makes the baby gates and yards that you love, but we now have a full line of...
  • SAFETY & CONVENIENCE: Our new childproofing line was thoughtfully designed to maximize safety, ease of use, and functionality. Easy to install, and...
  • SIMPLE YET EFFECTIVE:The Window & Door Wedge Locks feature an easy hook and loop installation, with no tools, no screws, no nails, no damage to your...
  • MAKE YOUR HOME SAFE: Babies like to explore all those nooks and crannies’ around the house. With this 4-pack of sliding window and door wedge locks,...
Bestseller No. 4
4 Pack Sash Locks Laelr Window Sash Lock with Keeper Diecast Construction Sliding Window Sash Lock...
  • 【NECESSARY WINDOW LATCH】This sash lock can greatly improve your security and privacy. Through installing the window sash lock, you can prevent...
  • 【DURABLE】Our window locks are made of quality zinc alloy materials, which makes this window sash lock and keeper high hardness, good wear...
  • 【EASY TO INSTALL】This sash lock can be used on sliding windows constructed of aluminum, wood and vinyl materials. You firstly make sure the...
  • 【WIDELY USED】The window sash lock can be used for both left and right, widely used on sliding windows constructed of aluminum, wood, and vinyl...
  • 【PACKAGING INCLUDES】You will get 4 Pack of window locks and 16 screws, which are enough to be replaced and applied in your daily life.
SaleBestseller No. 5
Window Locks, 10 Pack Window Locks for Vertical and Horizontal Windows, Sliding Window Locks,...
  • SLIDING TRACK LOCK: Secure your patio door, sliding glass door, and both horizontal & Vertical sliding windows. Ideal for securing a vertical window...
  • DURABLE & SENSIBLE: Made of heavy-duty aluminum the lock includes a vinyl lining to prevent you from scratching your window frame. The vinyl insert...
  • NO TOOLS NEEDED: These window locks are easy to install with double door lock thumb screws securing sliding door & window tracks. They fit sliding...
  • CHILD PROOF DOOR LOCK: Use this window lock to protect your family from intruders and more! The sliding door lock allows you to leave sliding windows...
  • WINDOW LOCKS SECURITY: Whether you are looking for a way to lock in an AC unit window setup, as a camper lock replacement, or as part of your...
SaleBestseller No. 6
4 Sets Sliding Window Locks, Security Window Lock Aluminum with Key, Window Stoppers for Vertical &...
  • Measure Your Windows Track: In order to ensure the perfect application of Tahikem window locks, please measure your window track size, height must be...
  • Simple Installation: Each window lock is equipped with a hexagonal key. You can use the key wrench to slowly rotate the screw nut to secure it on the...
  • High-quality Material: The window safety lock is made of aluminum alloy, durable and sturdy. The anti-rust coating makes it a good match for white...
  • Tahikem Safety Window Lock: It ensures your family members safety. Effectively reduce the risk of children and pets falling from high windows. By...
  • Package Includes: This sliding window locks is exclusively developed and designed by Tahikem, equipped with 4 locks, 4 keys, 4 transparent gaskets, 8...
SaleBestseller No. 7
Defender Security U 9802 Sliding Window Lock, 1/4 inch, Extruded Aluminum, White Painted Finish...
  • Compatible with both horizontal and vertical sliding windows
  • For use with older style, metal framed windows
  • For use with sliding windows that have a maximum of 3/16 in. thick frame fins
  • Made of heavy-duty extruded aluminum with steel thumbscrew
  • These sliding window thumbscrew locks come white in color
Bestseller No. 8
Prime-Line F 2744 Sash Lock, Single Unit, White – Diecast Construction, White Powder Coat w/...
  • BUILT TO LAST – This Prime-Line sash lock is diecast constructed, creating a solid single unit built to withstand the test of time.
  • VERSATILE ADAPTABILITY – The single element sash lock can be used on both single and double hung vertical sliding windows, adapting to both wood and...
  • CONTEMPORARY DESIGN – The Prime-Line sash lock is powder coated with a white enamel finish, accentuating any window unit with a clean and fresh...
  • PRIME-LINE GRADE – We specialize in repair and replacement hardware products for your home. Prime-Line's commitment to quality results in repairs...
  • For all dimensional information please refer to the line art and compare to your needs before purchasing
SaleBestseller No. 9
Prime-Line Products F 2620 Spring Cam Action Window Sash Lock, White
  • Cam-type sash lock
  • Used on many double-hung windows
  • 1 latch assembly 1 keeper and screws
  • 2 in. hole spacing
  • White finish
SaleBestseller No. 10
Prime-Line U 9809 Sliding Window Lock for Vinyl Windows – Easy Installation to Keep Windows...
  • NOTE: Not intended for a patio door, windows only.
  • EACH PACK INCLUDES – (1) Adjustable jaw that fits all vinyl frame rail thicknesses from 1/16" up to 1/2 in. thick. "Vise like" grip holds securely...
  • SECURELY LOCK WINDOWS – These U 9809 sliding window locks for vinyl windows help keep them securely closed. The locks feature an adjustable jaw that...
  • ADD EXTRA SECURITY – Use these sliding window locks to prevent unwanted intruders and avoid falling accidents –keeping your windows closed when...
  • FOR USE ON MOST VINYL WINDOWS – These sliding window locks are for use on horizontal sliding windows and most vertical sliding (single hung) windows...
SaleBestseller No. 11
SECURITYMAN Sliding Door Security Bar-Child Proof Sliding Door Lock Bar with Anti Lift Lock - Fits...
  • BEST ADJUSTABILITY ON THE MARKET: Adjust the sliding door lock from 18.75” to 51.1” inch (18.75” to 34” on 2 bars, 36” to 51.1” on 3 bars)...
  • QUICK AND EASY TO INSTALL: In a matter of minutes, you will enjoy a SECURE AND RELIABLE PROTECTION from our sliding glass door lock that is drilled...
  • INTRUDERS CAN'T GET IN: Heavy duty door and window security bar serve as BOTH A PHYSICAL & VISUAL DETERRENT on most patio doors and windows
  • YOUNG ONES CAN'T GET OUT: Child proof lock and height prevent kids from getting out. Height also allows for a comfortable adjustment of the sliding...
  • WHAT'S INCLUDED: Sliding Glass Door Security Bar (2 Parts), Anti Lift Lock (2 Parts; Metal Plate & White Saddle Mount), Double-Side Threaded Screw, 4X...
SaleBestseller No. 12
Cardinal Gates Safe Window Warden, (2-Count): Window Security/Window Safety for Children | Window...
  • WINDOW LOCKS: Window guards for children are important baby proofing tools. Limiter keeps window from opening more than 4 inches.
  • SIMPLE: Window wedge child guardian is an intuitive design. Install indoor window lock and the work is done. Easy for adults to remove using the...
  • INSTALLATION: Window guardians are installed with screws which produce completely secure windows.
  • USES: locks for double hung windows, sliding window security, and sliding doors. Childproofing is simple using the window warden.
  • MEETS CODE: Meets ASTM F 2090-10 Sections: 8.5 through 8.9; and International Residential Code – 2009, Section R612.4
Bestseller No. 13
Securityman Window Security Bar - Easy Install for Horizontal/Vertical Windows - Adjustable Window...
  • (A Visual and Physical Deterrent): Keep your family safe with a window bar that is built to withstand 250lbs of force and serve as a highly visual...
  • (For Vertical and Horizontal Windows): The sliding window lock can be easily installed in virtually any window in your home. It can be extended...
  • (Child Proof Anti-Lift Lock): The sliding window security bar features a anti-lift child lock that offers you peace of mind knowing your child cannot...
  • (Keep Your Windows Open But Secure): Enjoy open air circulation with added security. Our window stopper allows you to keep you windows open while...
  • (2 Easy Install Methods): Our window security lock comes with everything needed for an easy install. There are 2 install methods. 1) Drilled mounting...
Bestseller No. 14
Impresa Sliding Door & Window Locks Pack of 10 | Window locks for Sliding Windows & Doors | Easy...
  • Pack Of 10 Aluminum Window Locks For Doors And Windows: Heavy duty aluminium constructed locks for sliding doors and windows. Perfect for securing...
  • Simple Screw In Design: Double thumb screw clamp creates a secure and safe hold without tools. Simply adjust by hand as required for fully secure...
  • Easy Installation, No Tools Required: Simply mount on at the desired location on the window or door track. Install an additional window lock on the...
  • High Quality Aluminum Sliding Door And Window Lock: Heavy duty aluminium 'F' style clamp. The strong aluminium will remain secure and will not rust...
  • Compatibility: Fully adjustable slider locks that fit a range of door and window lock tracks. Locks are 2 inches wide and fit tracks 3/16 inches wide...
SaleBestseller No. 15
August Smart Lock, 2nd Generation, HomeKit enabled (Silver)
  • Works with Alexa for voice control (hub required, Alexa device and hub sold separately).
  • Connect your August smart lock to Alexa to Lock, unlock and check lock status. Alexa can also provide notifications when your batteries are running...
Bestseller No. 16
Window Latch Locks Window Parts and Hardware Window Tilt Latch Plastic Construction, Spring Loaded,...
  • Strong and quality: spring loaded window tilt latch is made of plastic, reliable and not easy to break or deform, safe and odorless, which can serve...
  • Match with your furniture style: with classic white color, this sliding window tilt latch is harmonious with your home decoration style, will not...
  • Sufficient to share: you will get 4 pairs of tilt latches, totally 8 pieces, including 4 pieces left hands and 4 pieces right hands, enough for you to...
  • Diverse applications: white plastic construction is widely applied for single and double hung vertical sliding sash panels and is designed to tilt...
  • Easy to install: spring loaded sliding window tilt latch is easy to operate, lightweight and portable, quick and simple to install, no need to spend...
Bestseller No. 17
Lock-it Block-it – (4 Devices) Home Security Adjustable Window Locks/Window Security Bars, Door...
  • Extendable & Adjustable! Control how high you want the window to open with the 13 adjustable settings. Lock the height in place with the push of a...
  • Withstands repeated impacts with its unique double-headed push pin that provides extra resistance from forced entry. Burglars can't reach it from the...
  • IMPORTANT - BEFORE BUYING, MEASURE the window or door track where the device will be placed. The security bar extends from 17 inches to 30 inches long...
  • Quick & easy installation. No tools needed. Held in window track by supplied adhesive strips. It doesn't fall out when the window is lowered. Removes...
Bestseller No. 18
Window Locks, 4 Sets Sliding Security Window Locks with Key for Vertical&Horizontal Sliding...
  • 【Compatibility】 Window locks are applicable for sliding windows, sliding doors and vertical doors. Locks are 2.4 inches long and fit tracks up to...
  • 【Screw In Design】 Sliding window locks utilizes double screws to mount on sliding window/door tracks, prevent sliding and add more security....
  • 【Quality Aluminum Alloy】 Sliding door and sliding window stoppers: The strong aluminium will remain secure which is sturdy and strong, and the...
  • 【Widely Use】Slider window locks are perfect for sliding patio doors, sliding glass doors, etc. Feel free to open the windows a few inches to get...
  • 【Package Includes】 Pack of 4 sliding window locks with rubber cushioning and keys; Apply multiple window locks can increase sliding door/window...
SaleBestseller No. 19
Prime-Line F 2588 Sash Lock, Diecast Construction, White, Used On Vertical and Horizon
  • This sash lock can be used on horizontal and vertical sliding windows constructed of aluminum, wood and vinyl materials
  • Most often found on double hung windows
  • Mounting holes are 2-1/16 in. on center
  • Heavy duty diecast construction with baked on white enamel
  • Cam-action hook latch draws the keeper tight when locked
Bestseller No. 20
OYU Window Locks, 8 Pack Adjustable Sliding Door Lock with Key, Aluminum Window Security Safety...
  • 【WINDOW LOCKS SECURITY】Size approx. 1.18 x 0.94 x 0.94 inch, apply to track with more than 0.6 inch heights and less than 0.63 inch thickness....
  • 【UPGRADE PROTECTION DESIGN】This window lock is made of solid aluminum alloy, anti-rust and anti-aging. The upgraded vertical window locks design...
  • 【PROTECTIVE GASKETS】Each sliding window locks also comes with a plastic protective gasket to prevent scratches or damage to the window. This locks...
  • 【EASY TO INSTALL】This adjustable lock for home is suitable for both windows and sliding doors. No hole installation saves time and effort. All you...
  • 【WHAT YOU GET】8 sets of window locks for sliding windows, including 8 sliding window locks stopper, 8 keys, 8 gaskets and 1 vertical key, can...

Having trouble finding a great lock for windows?

This problem is well understood by us because we have gone through the entire lock for windows research process ourselves, which is why we have put together a comprehensive list of the best lock for windowss available in the market today.

After hours of searching and using all the models on the market, we have found the best lock for windows for 2023. See our ranking below!

How Do You Buy The Best Lock For Windows?

Do you get stressed out thinking about shopping for a great lock for windows? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching lock for windows, which is why we have assembled a comprehensive list of the greatest lock for windows available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for lock for windows that you consider buying. Your questions might include the following:

  • Is it worth buying an lock for windows?
  • What benefits are there with buying an lock for windows?
  • What factors deserve consideration when shopping for an effective lock for windows?
  • Why is it crucial to invest in any lock for windows, much less the best one?
  • Which lock for windows are good in the current market?
  • Where can you find information like this about lock for windows?

We’re convinced that you likely have far more questions than just these regarding lock for windows, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for lock for windows, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible lock for windows. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an lock for windows buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available lock for windows currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of lock for windows has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an lock for windows?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your lock for windows.
  5. Customer Ratings: Number ratings grade lock for windows objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their lock for windows.
  7. Product Quality: You don’t always get what you pay for with an lock for windows, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an lock for windows is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining lock for windows information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding lock for windows is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

FAQ:

Q: How to quickly lock your computer screen Windows 10?

A: First of all close all your currently opened Windows,and right click on any blank area on your desktop. Choose “New” and then “Shortcut” from the next drop down menu. A new “Create Shortcut” operating window will turn up. …

Q: How to set up Dynamic Lock on Windows 10 PC?

A: – Open Settings. – Click on Accounts. – Click on Sign-in options. – Under Dynamic Lock, check the Allow Windows to detect when you’re away and automatically lock the device option.

Q: How to secure your Windows?

A: How to secure your PC in 10 easy steps. Use encryption, keep your software up-to-date, disable images in e-mail, scan e-mail attachments for viruses, use a nonadministrator Windows account, scan …

Q: How to automatically lock screen?

A: If you have a live photo in your Photos app you want to use then just open it, click the button in the bottom left hand corner and scroll to “Use as Wallpaper”. Click this and it should automatically appear as a live photo wallpaper unless you turn it off. Alternatively, you can turn a video into a live photo.

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