Engineered for heavy stone, marble, or dark fire-rated doors, this 180-degree invisible hinge offers robust support with a discreet, clean aesthetic. Its fully adjustable design allows for precise door alignment, ensuring smooth operation and a seamless finish for high-end installations. Features and Benefits
- Heavy-Duty Construction - Supports substantial weight of stone, marble, and solid core doors without sagging.
- 180-Degree Swing & Invisible Design - Maximizes access while providing a sleek, hidden appearance when the door is closed.
- Multi-Directional Adjustability - Features micro-adjustments for perfect vertical, horizontal, and depth alignment during and after installation.
- Fire Hydrant/Door Rated - Meets specifications for demanding applications, including fire-rated or security door requirements. Applications
- Luxury interior doors made from heavy materials like marble or solid stone slabs.
- Commercial or residential fire-rated doors requiring concealed hardware.
- High-end cabinetry or architectural features where a clean, invisible hinge line is desired.
Dimensions: 150x80x25 mm. Screw Size: M6. Weight: 350 g. Material: Stainless steel. Load Capacity: 80 kg. Adjustability: 3-way adjustable. Compatible Door Thickness: 40-60 mm. Finish: Dark bronze. Fire Rating: Fire-resistant. Mounting Type: Hidden/concealed. Opening Angle: 180 degrees. Quantity: 2 pieces. Door Thickness Range: 30-60 mm. Mounting Plate Dimensions: 100x50x4 mm. Plate Thickness: 4-5 mm. Material: Heavy-duty steel with dark finish. Load Capacity: 80-120 kg per hinge. Fire Rating: 30-60 minute fire resistance. Adjustability: 3-way adjustable (height, depth, lateral). Application: Stone doors, marble tiles, fire hydrant doors. Bearing Type: Ball bearing mechanism. Corrosion Resistance: Salt spray tested 72+ hours. Finish: Dark powder coating. Hinge Type: Invisible hidden hinge. Installation Type: Mortise/concealed. Opening Angle: 180 degrees. Screw Specifications: Included heavy-duty mounting screws. Q: What are the key specifications for this heavy-duty stone door hinge? A: This hinge is designed for heavy, large doors such as stone, marble, or dark fire-rated doors. It offers a 180-degree opening range, features an invisible or hidden installation design, and is adjustable for precise alignment.. Q: Is the hinge's quality suitable for heavy fire hydrant or stone doors? A: Yes, it is engineered to support the significant weight and frequent use associated with heavy stone, tile, or fire-rated doors. The construction is robust to ensure durability and safety in demanding applications.. Q: What door types and thicknesses is this invisible hinge compatible with? A: It is compatible with heavy doors like stone, marble, and fire-rated doors. The hidden design requires a specific mortise. Check the product details for exact weight capacity and required door thickness for proper installation.. Q: What warranty coverage is provided for this adjustable hidden hinge? A: Warranty terms are set by the seller. Given its application for heavy doors, it's advisable to confirm the specific warranty duration and coverage for parts and workmanship directly with the retailer.. Q: Considering its features, does this hinge represent good value? A: For heavy or specialty doors requiring an invisible, adjustable, and wide-opening hinge, this product offers strong value by combining critical functionality, durability, and a clean aesthetic in one hardware solution..