Best Window Locks & Latches for Sliding Doors (2026)
We selected options based on lock type versatility, build materials, user ratings, set/pack value, and compatibility with vertical or horizontal sliding doors and windows
This roundup evaluates window locks and latches designed for sliding doors and windows, focusing on fit, security features, and value across common installation types. Picks were chosen by comparing build type (bolt, keyed lock, security bar), material and finish, user ratings, and suitability for vertical or horizontal sliding applications
Top Picks
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1
ZRFCXE Window Locks, 12 Pack for Sliding Windows
Sliding window locks with keys for vertical and horizontal tracks. Easy to install, enhances security and prevents kids from opening widely; customers note solid fit and reliability
- two fixing holes for stability
- protects against heavy openings
- includes protection pads for window care
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2
Sliding Window Locks (10 Sets) with Keys
Adjustable aluminum sliding window locks with key separation for vertical and horizontal tracks. Easy installation without drilling and designed for a wide range of tracks. Customers praise easy setup and durable security, though some note fit variations
- track-compatible sliding locks
- no-drill installation
- key-based security
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3
Double Bolt Lock for Sliding Glass Doors
A high-security lock for double sliding doors that helps prevent forced entry and keeps children safe. Customers report easy installation and improved security, though some note fit and instruction issues
- forces entry resistance
- discreet, low-profile design
- versatile for middle junction of doors
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4
Window security bars adjustable, vertical inside, 17-33 in, 4 pcs
Adjustable window bars provide security while allowing fresh air. Easy to install with rubber feet for better placement; customers note sturdiness and adjustable fit
- adjustable length
- rubber feet for stability
- multi-purpose security bar