Aluminum Alloy Crescent Lock: A Comprehensive Guide
Brand: xianghui & Others | Application: UPVC, Aluminum Sliding Windows & Doors
Product Overview
The Aluminum Alloy Crescent Lock is a fundamental hardware component widely used in sliding windows and doors, particularly for UPVC and aluminum alloy profiles. Named for its distinctive crescent-shaped locking lever, it primarily serves to secure the window or door in a closed position, providing basic security and preventing accidental opening. Its design is simple yet effective, making it a standard fitting in residential and commercial buildings.
Key Parameters & Specifications
| Attribute | Description |
|---|---|
| Material | Aluminum Alloy (e.g., 6063-T5), Zinc Alloy |
| Surface Treatment | Powder Coating (Spray Painting), Electroplating, Anodizing |
| Common Colors | White, Black, Silver, Champagne, Brown (customizable) |
| Place of Origin | Jiangsu, China; Guangdong, China; Zhejiang, China |
| Brand Name | xianghui , Bestop , ULW , and others like GMT, Topstrong |
| Usage | UPVC Windows, Aluminum Sliding Windows, Glass Doors |
| Feature | Durable, Modern Design, Easy Installation |
| Design Style | Modern |
| Warranty | Typically 1 to 3 years, with some brands offering up to 5 years |
| After-sale Service | Online Technical Support, Free Spare Parts |
Brands & Price Range
The market offers a variety of brands, from manufacturers like Wuxi Xianghui Hardware to well-known names such as GMT and Topstrong .
- Top 10 Brands (2024):佰瑞特 (Bairuite), 卡贝五金 (Kabeiwujin), GMT, 锐赛特 (Ruisait), 顶固 (Topstrong), 汇泰龙 (Huitailong), 星徽 (SH-ABC), 飞球 (Fly.Globe), 坚朗 (Kinlong), 国强五金 (Guoqiangwujin) .
- Price Range: Prices vary based on material, brand, and order quantity. On platforms like 6688789 and JD.com, prices can range from as low as $0.20 to $3.00 per piece for standard models, with premium or heavy-duty versions costing more .
Usage, Installation & Maintenance
Installation Steps:
- Preparation: Gather tools (screwdriver, drill, pencil, tape measure). Ensure the window surface is clean and flat .
- Determine Position: Mark the installation spot on the window sash, typically 10-15cm from the edge, ensuring the lock body aligns with the strike plate on the frame .
- Drilling & Fixing: Drill holes according to the marked positions. Secure the lock body to the sash and the strike plate to the frame using screws .
- Adjustment & Testing: After installation, repeatedly open and close the window to check for smooth operation. Adjust the position of the lock body or strike plate if there's any misalignment or stiffness .
Maintenance Tips:
- Regularly clean the lock with a soft cloth to remove dust and grime.
- Avoid using harsh chemicals that could damage the surface coating.
- If the lock becomes stiff, a small amount of lubricant can be applied to the moving parts.
Reviews, Feedback & Common Issues
User reviews often highlight the following aspects :
- Positive Feedback: Easy to install, good value for money, sturdy construction, smooth operation, aesthetically pleasing.
- Common Complaints: Cheaper models may feel lightweight, prone to wear and tear over time, potential for loosening, and difficulty in operation if not installed correctly.
Troubleshooting:
- Lock is Stiff: Check for misalignment and adjust the strike plate. Lubricate the rotating mechanism.
- Lock is Loose: Tighten the mounting screws. If the problem persists, the lock mechanism itself may be worn and need replacement.
Purchasing Guide
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Key Considerations:
- Material Quality: Opt for high-grade aluminum alloys (like 6063-T5) for better durability and corrosion resistance .
- Surface Finish: Ensure the coating is even and smooth to prevent rusting and fading .
- Dimensions: Accurately measure the existing lock's height, use width, and hole spacing to ensure compatibility .
- Handedness (Left/Right): Some locks are handed, so determine which one you need before purchasing. However, many modern locks are bidirectional (360-degree rotation) for universal installation .
- Where to Buy: Major online platforms like 6688789, JD.com, and Taobao offer a wide selection from various manufacturers and brands .
After-Sales Service & Warranty
Reputable suppliers typically offer the following support :
- Warranty Period: Ranges from 1 to 5 years, covering manufacturing defects .
- Support Channels: Online technical support via email or chat is common to assist with installation or troubleshooting issues .
- Spare Parts: Some suppliers may provide free replacement parts for defective items under warranty .
Common Search Expansion Terms
To find more specific information or alternative products, consider searching for these related terms:
- Crescent Lock with Key
- Child Safety Window Lock
- Bidirectional Crescent Lock
- Heavy Duty Crescent Lock
- Sliding Window Hook Lock
- UPVC Window Lock Handle
- Aluminum Window Latch
- Moon Lock for Sliding Door
