Best Double Hung Windows in 2026

WINDOW SASH LOCK – This window sash lock includes one cam-action latch with fasteners and can be used on a variety of aluminum-framed sliding windows. The lock does not use a separate keeper, instead, the latch engages into the fixed rail to lock the window.

REPLACEMENT PART – Use this window sash lock to replace old or broken window locks to maintain security in your home.

EASY INSTALLATION – Installation is quick and easy, and the sash lock can be used on vertical, single and double hung aluminum sliding windows. These locks will also fit some horizontal, aluminum-framed sliding windows.

【Measure Your Windows Track】Notice - Please check the third window track measurement picture before purchasing. In order to ensure the perfect application of Tahikem window locks, please measure your window track size and the height must be Greater Than 0.75inch (1.9cm) and width must be Less Than 0.59inch (1.5cm).

【2023 Innovative Design】 Our products offer two mounting options for different widths of window track. Each window lock is equipped with a hexagonal key. Choosing the one that best suits your needs to prevent scratching or protect your window track and improve the stability of your installation. Both way are very easy for you to install and take only 5 minutes to complete.（Please check the fourth and fifth picture.）

【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 sliding windows, sliding doors and vertical doors. Tahikem window locks is equipped with a vertical key, which can be applied to the middle track of the window, we have improved the shortcomings that other window locks are not fixed and do not fit the middle track, so you can buy with confidence.

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 and will not mar frame. Allows window to lock in ventilating position; cam style locking lever; no tools required. This is for Vinyl Windows only.

SECURELY LOCK WINDOWS – These U 9809 sliding window locks for vinyl windows help keep them securely closed. The locks feature an adjustable jaw that has a “vise-like” grip, and they are capable of opening up to ½” wide.

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

🔓【Double Lock Design & Easy Installation】: 2022 Newest upgrade protection design, each window lock with two fixing holes that greatly enhance the holding power of the lock. You can easily secure your window/door or allow ventilation by tightening the lock clockwise with the included hex wrench. Please refer to the fourth installation diagram before installing.

🔓【Special Rubber Protection Pads】: To prevent lock scratching or damage to the window, FIRAWER window lock clamps specially adds a rubber pad layer that enhances the friction between the window track and lock, to improved stability and security.

🔓【Measure Your Window Track Size】: To ensure a perfect fit for your window, please make sure your window track height is greater than 0.7in (1.9cm) and width is less than 0.67in (1.7cm). Our window restrictor works with horizontal windows, horizontal doors, and vertical windows.

Pivot lock shoe for spiral balances

Tilt window design

For 5/8 inch diameter spiral balances

Compatible with vertical sliding single and double hung wood windows

Can be used alone or in pairs for increased security

The lock has a 1-15/16 in. hole center pattern, while the keeper has a 1-7/8 in. hole center pattern

For use on older vertical sliding windows constructed of wood

These locks mount on the check (or “meeting”) rails of single and double hung sash where their checkrails rest flush when closed

Replacing loose-fitting, worn or missing sash locks can help restore and increase the safety and security of the home or office

Used on single and double hung windows alike

The plastic thumb latch locks and releases spring loaded latch

Mounting holes are 2 in. on center

【NECESSARY WINDOW LATCH】This sash lock can greatly improve your security and privacy. Through installing the window sash lock, you can prevent unwanted intruders and dust and avoid falling accidents to keep your home safe and clean.

【DURABLE】Our window locks are made of quality zinc alloy materials, which makes this window sash lock and keeper high hardness, good wear resistance, anti-corrosion, and anti-rust, more durable than plastic sash locks.

【EASY TO INSTALL】This sash lock can be used on sliding windows constructed of aluminum, wood and vinyl materials. You firstly make sure the position and drill holes in the edge of the window with a electric drill, and then take the screwdriver and screws to fix the window locks and keeper on the window.

Double hung flip locks like these are most commonly used on wood-constructed single and double hung vertical sliding windows

This lock features a wedge-shaped hinged flaps which are designed to stop the sash from sliding

Universal design allows this lock to be used on windows by multiple manufacturers

Increased friction against jamb prevent sagging due to broken or weak sash cords

Quickly mounts in the upper or lower corner sash against the jamb

Easy to install

Used by a variety of home owners to lock a vented window in a specific location for them

Allows ventilation and deters forced entries

Slide stud stops to open window or lock in place

For use on sash panels designed to tilt-in and down from the top for cleaning

Steel spring comes in a corrosion resistant, zinc plated finish and the vinyl components come white in color

Designed for use with vertical sliding single hung and double hung windows

Package contents: you will receive 8 pieces tilt latch pairs, including 4 left-hand locks and 4 right-hand locks, sufficient for your daily use and replacement, and you can share them with your relatives, neighbors, friends and so on; The Size is 2-5/8 x 11/16 inches; Please check the size before purchasing

Sturdy quality: the white plastic construction spring-loaded latch pairs are made of plastic, which is not easy to break or deform, without any terrible smell, safe to use, supporting a long-time application

Easy to install: the snap-in window latch pairs are simple and convenient in operation, lightweight and portable, the installation is quick and easy, you do not need to spend much time to get an intact window

Package contents: you will receive 4 pieces tilt latch pairs, including 2 left-hand locks and 2 right-hand locks, sufficient enough for your daily use and replacement, and you can share them with your relatives, neighbors, friends and so on; Make sure the product is suitable for your windows before buying

Sturdy quality: the white plastic construction spring-loaded latch pairs are made of plastic, which is not easy to break or deform, without any terrible smell, safe to use, supporting a long-time application

Easy to install: the snap-in window latch pairs are simple and convenient in operation, lightweight and portable, the installation is quick and easy, you do not need to spend much time to get an intact window

NO TOOLS NEEDED! No Screws. No nails. No damage. Our new slip-resistant base and commercial quality hook and loop material attaches to window frame making installation unbelievably quick and easy.

MADE IN AMERICA. Cresci Products manufactures, assembles and packages the Window Wedge in America. Join Cresci Products in proudly supporting the American Worker by purchasing this genuine American Made product!

ADJUSTABLE. Works to secure double hung, single hung and horizontal sliding windows in place. Simply place the wedge along the 8-inch loop strip to stop your window at the desired opening (Note: For child safety, maximum window opening should not exceed 4 inches)

NO TOOLS NEEDED! No Screws. No nails. No damage. Our new slip-resistant base and commercial quality hook and loop material attaches to window frame making installation unbelievably quick and easy.

MADE IN AMERICA. Cresci Products manufactures, assembles and packages the Window Wedge in America. Join Cresci Products in proudly supporting the American Worker by purchasing this genuine American Made product!

ADJUSTABLE. Works to secure double hung, single hung and horizontal sliding windows in place. Simply place the wedge along the 8-inch loop strip to stop your window at the desired opening (Note: For child safety, maximum window opening should not exceed 4 inches)

Genuine andersen product

WINDOW SASH LOCK – This window sash lock includes one cam-action latch with fasteners and can be used on a variety of aluminum-framed sliding windows. The lock does not use a separate keeper, instead, the latch engages into the fixed rail to lock the window.

REPLACEMENT PART – Use this window sash lock to replace old or broken window locks to maintain security in your home.

EASY INSTALLATION – Installation is quick and easy, and the sash lock can be used on vertical, single and double hung aluminum sliding windows. These locks will also fit some horizontal, aluminum-framed sliding windows.

For use on older vertical sliding windows constructed of wood

These locks mount on the check (or “meeting”) rails of single and double hung sash where their checkrails rest flush when closed

Replacing loose-fitting, worn or missing sash locks can help restore and increase the safety and security of the home or office

Made by and for Andersen Corporation

For 400 series Woodwright double-hung window

Plastic material

Window Locks Security : Window Locks can be easily applied to most environments;Used for patio doors, sliding doors,vertical or horizontal sliding windows,The locks can prevent burglars and thieves to come in house for the safety.

Window Lock Size:The short window locks size approx 2.36 x 0.98 x 0.98 inch(L*W*H), apply to track with more than 1.5 cm/ 0.6 inch heights and less than 1.6 cm/ 0.63 inch thickness.please check your window track before buying.

High Quality Material：This window lock is made of High quality aluminum alloy.The strong aluminium will remain secure and will not rust.Exquisite in craftsmanship and excellent in quality, can be reused with confidence.

Meets IRC Building Code for Egress.

Dual-Function Window. The lower sash operates and vents like a single-hung window in the closed position. The window frame also swings into the basement a full 90 degrees like a door to exit in an emergency.

Single lock handle provides one-handed operation to open the window.

Brand New in box. The product ships with all relevant accessories

Mounts to vertical track

Stops window in vent position

Brass plated steel

For use on vertical sliding windows constructed of wood, vinyl and aluminum

These locks mount on the check (or “meeting”) rails of single and double hung sash where their checkrails rest flush when closed

Replacing loose-fitting, worn, or missing sash locks can help restore and increase the safety and security of the home or office

Constructed of stamped steel to provide long-lasting, dependable locking security hardware

Lock and keeper comes in a beautiful, corrosion resistant, antique brass plated finish

Designed for use with vertical sliding windows, single and double hung

Finish: Brass

Item Number: 8760