Founded in 2009, Foshan Kingbo Door and Window System Co., Ltd. has specialized in the R&D and manufacturing of door and window hardware for over 17 years. Our SUS304 Strength Adjustable Casement Window Friction Stay is a best-selling product, supplied directly from our factory and recognized worldwide for its quality, durability, and comprehensive service support.
The product is a core load-bearing and limiting component for casement windows. Installed between the sash and frame of aluminum alloy casement windows, it supports the sash, ensures smooth opening and closing, and provides anti-slip load-bearing functionality. This friction stay ensures safe and stable window operation and is widely applied in:
· Residential buildings
· Commercial buildings
· Public facilities
· Coastal areas with high humidity and salt fog
Material & Craftsmanship: Manufactured with mature production techniques and premium materials, the SUS304 Strength Adjustable Casement Window Friction Stay offers superior structure and long-term reliability.
1. SUS304 Stainless Steel: Provides excellent corrosion and rust resistance, maintaining performance even in harsh coastal environments.
2. Super Load Capacity & Durability: Designed for 60kg but capable of exceeding 100kg. Successfully tested over 50,000 opening and closing cycles without deformation.
3. Titanium Alloy Friction Block: Ensures wear resistance and smooth damping operation with minimal friction over time.
4. Silent & Smooth Operation: High-strength nylon and stainless steel sliders with a rear sliding lifting structure ensure quiet and effortless window movement.
5. 4mm Thickened Bearing Plate: Enhances structural strength and stability, supporting long-term durability.
6. Anti-Slip Screw Design: Prevents screw slippage during installation, disassembly, and replacement for easy maintenance.



| SUS304 strength adjustable casement window friction stay | |
| Product name | Window friction stay |
| Code number | HC-E13C |
| Size | As drawing or customized |
| Material | SUS304 |
| Surface treatment | Sanding/brush/polish |
| Other details | Backwards slide |
| Advantages/features | Good reputation & lots of long-term clients in global market |
| Timely and sincere after-sale service | |
| Easy to install, good-looking appearance | |
| Competitive price. | |
| Customized as per client's idea & aluminum section | |
| High dimensional stability for complex shapes & thin walls | |
| Fast delivery | |
| Certificates | Patents; SGS; CE |
| Packing detail | 1 pairs/poly bag; 2 pairs/inner box; 10 boxes/carton |
| Lead time | Within 15 days |
| Special Service | Free OEM design |
| Logo design and print | |
The SUS304 Strength Adjustable Casement Window Friction Stay has passed multiple authoritative certifications, ensuring reliable quality. Key highlights include:
· Independent patented technology guaranteeing original design and craftsmanship.
· SGS certification verifying material and performance.
· CE compliance for European market access.
Since 2009, Kingbo has maintained nearly 100 patents and sold products worldwide, with trademarks registered in 36 countries. Strategic partnerships with leading real estate and door & window manufacturers further reinforce the reliability and trustworthiness of our hardware products.
Standard Protective Packaging: Each set is packed in a polybag, two sets in an inner box, and ten inner boxes per export carton, ensuring protection during transportation.
Stable & Efficient Delivery: Regular bulk orders are delivered within 15 days, aligning with construction and production schedules.
Customized Service: OEM services, logo printing, and tailored packaging solutions support clients’ branding and procurement needs.
Kingbo provides a comprehensive pre-sales, in-sales, and after-sales support system:
· Professional Technical Guidance: One-on-one consultation for selection, installation, and structural adaptation.
· Rapid Response: Customer feedback channels for timely problem resolution.
· Strict Quality Control: Multiple tests, including load-bearing, rust resistance, and opening-closing simulations, ensure only qualified products are delivered.
Q: What is the maximum load capacity of this friction stay? A: Designed for 60kg, but tested to exceed 100kg. Recommended for sashes within 60kg for safety.
Q: Can it be used in coastal areas? A: Yes, SUS304 stainless steel resists rust, salt fog, and moisture, performing well in coastal environments.
Q: How many opening and closing cycles can it withstand? A: The SUS304 Strength Adjustable Casement Window Friction Stay can withstand over 50,000 cycles without deformation or failure.
Q: Are the screws easy to slip during installation? A: No, the customized fixing plate prevents slipping or jamming.
Q: Do you support customized sizes and packaging? A: Yes, sizes, OEM designs, logos, and packages can be customized according to drawings.
Q: What certifications does the product have? A: Independent patent, SGS test report, and CE certification for global market compliance.