Specifications
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Zinc Alloy Keyed Swing Door Handle
,Adjustable Extended Square Swing Door Handle
,Adjustable Square Spindle Door Handle
Product Description
Zinc Alloy Keyed Swing Door Handle
This keyed casement handle is a lock-controlled handle specifically designed for casement windows. It features a zinc alloy lock body base paired with an ergonomic aluminum alloy curved handle, along with an adjustable extended square spindle and two original keys.
Product Overview
Compatible with mainstream PVC-U and aluminum alloy door and window profiles, this handle strictly complies with the QB/T5338-2018 industry standard for door and window hardware. It offers weather resistance, corrosion resistance, and security against theft, making it a versatile hardware solution for both residential and commercial casement windows.
Construction & Materials
Zinc Alloy + Aluminum Alloy Composite Construction: Sturdy, durable, and weather-resistant
- Core lock body base made of thickened die-cast zinc alloy, resistant to prying and compression
- Curved handle made of one-piece die-cast aluminum alloy for smooth, comfortable grip
- No sharp edges, minimizing risk of bumps or scratches during use
Surface Finishes & Customization
Supports customer customization including fluorocarbon coating, sandblasting, and anodizing. Available in multiple color options: black, white, champagne, and silver-gray.
Security Features
- Key-lock protection: Built-in lock cylinder with two matching keys
- Prevents accidental opening by children and resists forced prying
- Ideal for high-rise residences and street-facing windows
- Adjustable Extended Square Shaft: Multi-tooth adjustable drive rod adapts to various profile thicknesses
Performance & Durability
| Salt Spray Test | 500-hour neutral salt spray test passed |
| Tensile Strength | 350 Nm tensile strength test passed |
| Cycle Testing | 100,000 cycles of opening and closing without jamming, play, or abnormal noise |
| Weather Resistance | UV resistant, moisture resistant, and rust prevention |
Compatibility & Installation
Compatible with PVC-U and aluminum alloy profiles, suitable for various casement window types including inward-opening, inward-tilting, and outward-opening styles.
- Standard universal mounting holes for easy integration
- Works with drive boxes, hinge supports, and multi-point locking systems
- No new tooling required for mass assembly
- Reduces labor costs for manufacturers
Quality Assurance
Complies with QB/T5338-2018 national standard for door and window hardware. All indicators, including mechanical strength and corrosion resistance, meet standards for worry-free acceptance in residential buildings, retail spaces, and international trade projects.
Applications
Widely applicable to residential balcony windows, interior casement windows, and retail store skylights. The preferred lock-type handle for bulk purchases by door and window manufacturers and hardware wholesalers.
