ANSI BHMA Grade 1 Heavy Duty Door Hinge

ANSI BHMA Grade 1 Heavy Duty Door Hinge - DDSS001-ANSI-1 Product Overview As the premium heavy-duty solution in D&D HARDWARE’s door hardware lineup, the ANSI BHMA Grade 1 Heavy Duty Door Hinge (Model: DDSS001-ANSI-1) sets the industry benchmark for durability, performance, and safety. Certified to ANSI BHMA Grade 1—the highest standard for door hinges—it passes 2,500,000 open/close cycles (equivalent to 20+ years of heavy commercial use) and holds a UL 10C 3-hour fire rating (UL File No. R38013), making it ideal for high-traffic, fire-sensitive environments. Engineered with four ball bearings for ultra-smooth, silent operation and crafted from premium stainless steel (SUS201/SUS304/SUS316), this hinge resists corrosion, deformation, and wear—even in harsh conditions like coastal hotels or industrial workshops. Its modern design seamlessly integrates with D&D’s door handles, door locksets, and door closers, forming a complete, code-compliant door system. Backed by a 5-year war…

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