Specifications
Highlight:
Keyed Zinc Alloy Casement Window Handle
,Aluminum Round Grip Casement Window Handle
,Keyed QB/T5338 Casement Window Handle
Product Description
Keyed Casement Handle
Product Overview
This cylindrical, straight-grip, lockable casement handle is available in keyed and keyless versions. Designed for inward-opening, tilt-and-turn casement windows, it features a zinc alloy base paired with an aluminum alloy round grip. Compatible with aluminum profiles 30-120 mm thick and PVC-U profiles for doors and windows. Strictly complies with QB/T 5338-2018 standard for door and window hardware.
Construction & Materials
- Zinc Alloy Base: Die-cast construction provides high tensile strength, resistance to prying and impact, and prevents breakage or deformation under long-term torsion
- Aluminum Alloy Grip: One-piece cylindrical handle offers smooth, rounded grip with no sharp edges, minimizing risk of bumps or scratches
- Customizable Finishes: Available in black, white, silver, and champagne through fluorocarbon coating, anodizing, and sandblasting processes
Durability Certified: Passed 500-hour neutral salt spray test ensuring resistance to rust, paint peeling, and mechanism jamming in outdoor environments. Matching latch passed 350 Nm tensile strength test for tight lock engagement.
Security Options
| Keyed Model | Integrated lock cylinder prevents accidental opening, reduces fall risks, and resists forced prying. Recommended for high-rise residences and street-facing balcony windows. |
| Keyless Model | Eliminates lock cylinder for simple operation, allowing quick switching to ventilation mode. Suitable for standard interior windows on lower floors. |
Performance & Compatibility
- Precision Mechanism: Wear-resistant internal transmission with uniform torsional damping
- Longevity: 100,000 opening and closing cycles without jamming or play
- Universal Compatibility: Fits profile thicknesses 30-120 mm for aluminum alloy and PVC-U casement window frames
- Easy Installation: Standard universal mounting holes accommodate square drive shafts of various specifications
- System Integration: Compatible with drive boxes, sliding struts, and multi-point locking systems
Quality Assurance & Testing
- 100,000-Cycle Fatigue Test: Pivot shaft exhibits low wear with no loosening or handle deformation
- QB/T 5338-2018 Compliance: Meets all mechanical, anti-corrosion, and durability requirements for residential, commercial, and office projects
Applications
Suitable for inward-opening and inward-tilting dual-function casement windows. Available for bulk purchase by residential developers and export-oriented door and window manufacturers.
