Best Window Locks & Latches for Sliding Doors (2026)
We selected products based on compatibility with sliding frames, material durability, security features (keyed, double-bolt, bars), ease of installation, and value
The Verdict
- Best Overall: ZRFCXE Window Locks, 12 Pack for Sliding Windows — Best for multi-window installs: 12-pack offers consistent fit and child-safety focus for multiple sliding windows
- Best Value: Sliding Window Locks (10 Sets) with Keys — Best keyed option: keyed aluminum sets provide keyed security for horizontal and vertical sliding windows with easy mounting
This page helps you compare durable window locks and latches designed for sliding doors and windows, focusing on fit, mounting type, and value. Picks were chosen for compatibility with common sliding frames, ease of installation, and construction suited to child safety and theft deterrence
Top Picks
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1
Best Overall ZRFCXE Window Locks, 12 Pack for Sliding Windows
Best for multi-window installs: 12-pack offers consistent fit and child-safety focus for multiple 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
Best Value Sliding Window Locks (10 Sets) with Keys
Best keyed option: keyed aluminum sets provide keyed security for horizontal and vertical sliding windows with easy mounting
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
Best for reinforced security: double-bolt design adds an extra locking point for sliding glass door resistance
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
Best adjustable bar: telescoping vertical security bars fit a wide 17–33 inch range and install inside the frame
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