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14-inch, 22-slot, 3.0mm-thick 304 Stainless Steel Heavy-Duty Four-Link Hinge
This extended-length, heavy-duty hinge is specifically designed for large-size casement windows. Precision-stamped from 3.0mm-thick 304 stainless steel sheet, the 14-inch extra-long arm fits standard 22mm door and window profile grooves. The four-link mechanism offers high load-bearing capacity, wide opening range, and excellent corrosion resistance, making it the core load-bearing hardware component for large-sized thermal break aluminum floor-to-ceiling windows and heavy-duty outward-opening windows.
Premium 304 Stainless Steel Construction
Stamped from 3.0mm-thick SUS304 stainless steel sheet for robust structural rigidity and exceptional load-bearing capacity. Verified through 500-hour salt spray testing for superior corrosion resistance in coastal, outdoor, and humid environments.
Four-Bar Linkage Mechanism
Extended four-bar linkage structure provides stable triangular mechanical support at wide opening angles. Ensures smooth operation, prevents sash wobbling, and withstands strong wind impacts while maintaining precise opening control.
Precision Engineering
Precision-riveted hinge points with solid rivets ensure tight fit and smooth, low-noise operation. Complies with QB/T 5338-2018 standards and passes 100,000-cycle durability testing for long-term reliability.
Technical Specifications
Arm Length
14 inches (approx. 356 mm)
Slot Quantity
22 slots
Material Thickness
3.0 mm
Base Material
SUS304 Stainless Steel
Groove Compatibility
22mm standard profiles
Durability Rating
100,000 cycles
Corrosion Testing
500-hour salt spray test
Installation & Compatibility
Compatible with 22mm-wide standard door and window profile grooves - a universal specification for large-size thermal-break aluminum casement windows, heavy-duty exterior casement windows, and top-hung windows. Features industry-standard mounting holes for precise alignment and quick assembly using standard screws, eliminating the need for additional profile modifications.
Applications
Large-size exterior casement windows
Heavy-duty thermal-break aluminum floor-to-ceiling windows
Large-size balcony casement windows
Heavy-duty top-hung windows for sunrooms
Residential large-window hardware systems
High-end finishing projects for real estate developments
Load-bearing performance upgrades for older windows and doors
Bulk export supply of window and door hardware
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2000
Total Annual:
800 million-100 million
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Jiangmen Zhenjian Hardware Technology Co., Ltd. was established in 2000 and is located in the Cui Shanhu New District of Kai Ping, Jiangmen City. The company has a standard factory covering an area of over 10,000 square meters, with a total of 170 employees, including 20 R&D techni... Jiangmen Zhenjian Hardware Technology Co., Ltd. was established in 2000 and is located in the Cui Shanhu New District of Kai Ping, Jiangmen City. The company has a standard factory covering an area of over 10,000 square meters, with a total of 170 employees, including 20 R&D techni...
