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The 100702.5-4BB FHP Φ10.9 Premium Door Hinge represents the pinnacle of door hardware engineering, designed to deliver exceptional performance and durability for both residential and commercial door applications.
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This heavy-duty hinge incorporates precision manufacturing and premium materials to provide reliable support for various door types while ensuring smooth, quiet operation. The Φ10.9 high-tensile bolts ensure superior load-bearing capacity, making this hinge suitable for heavy doors that require long-term structural stability. Engineered to exceed industry standards, the 100702.5-4BB FHP hinge combines functional excellence with corrosion-resistant finishes, ensuring it maintains both performance and appearance over decades of use. Whether supporting solid wood entry doors or composite commercial doors, this premium hinge sets the standard for reliability in door hardware.
At the core of this premium hinge is its Φ10.9 high-tensile steel bolts, providing exceptional shear strength of ≥1,040 MPa and tensile strength of ≥1,100 MPa. This superior fastener specification ensures each hinge supports a static load capacity of 80kg per pair, making it suitable for heavy doors up to 120kg when using three hinges. The hinge leaves are constructed from 2mm thick hot-rolled steel with a precision-stamped design that distributes weight evenly across door frames and jambs.
Each 100702.5-4BB FHP hinge undergoes meticulous manufacturing processes to achieve 0.05mm tolerance on pivot points, ensuring friction-free operation. The hinge features a four-barrel design with hardened steel pins that are precision-ground and polished to a mirror finish, reducing wear and ensuring smooth rotation. The bearing surfaces incorporate self-lubricating nylon washers that eliminate metal-to-metal contact, reducing noise and extending service life.
The hinge is available with multiple premium finishes including polished chrome, satin nickel, and oil-rubbed bronze, each applied using an advanced electroplating process that deposits a 25μm thick protective layer. This finish meets ASTM B117 salt spray testing standards, resisting corrosion for over 500 hours without visible degradation. All exposed surfaces are treated with a clear protective topcoat that resists tarnishing, fingerprints, and environmental damage.
Engineered for versatility, the 100702.5-4BB FHP hinge features a full-mortise design compatible with standard door preparations. It accommodates door thicknesses from 35mm to 65mm and includes slotted mounting holes that allow ±2mm adjustment for perfect alignment. The hinge measures 102.5mm in length with a 76mm width, fitting standard hinge cutouts while providing enhanced load distribution.
The 100702.5-4BB FHP Φ10.9 Premium Door Hinge is engineered for heavy-duty door applications requiring exceptional strength and durability. It excels as a support system for solid wood entry doors in residential settings, where its high load capacity prevents sagging over time. The hinge is ideal for commercial grade doors in office buildings, hotels, and retail establishments, supporting frequent use without performance degradation. It performs reliably with composite doors, fire-rated doors, and soundproof doors that require specialized hardware. The hinge's corrosion resistance makes it suitable for high-moisture environments such as bathrooms, kitchens, and coastal properties. Its versatile design allows installation on both interior and exterior doors, providing consistent performance across various applications.
When installed in pairs, these hinges support a maximum static load of 80kg, making them suitable for most residential and light commercial doors. For heavier doors exceeding 80kg (up to 120kg), we recommend installing three hinges per door to ensure optimal support and prevent sagging over time.
The 100702.5-4BB FHP hinges are tested to exceed 200,000 opening/closing cycles under standard load conditions, equivalent to approximately 20 years of normal residential use. The precision bearings and hardened steel components ensure consistent performance throughout this service life without noticeable wear.
Yes, the premium finishes applied to these hinges meet ASTM B117 corrosion resistance standards, withstanding over 500 hours of salt spray testing. This makes them suitable for exterior doors in all climate zones, including coastal areas with high salt content in the air. Regular maintenance will further extend their weather resistance.
Yes, the slotted mounting holes allow for ±2mm horizontal and vertical adjustment after installation, making it easy to correct door alignment if settling occurs. This feature is particularly valuable for new construction where building materials may experience minor movement over time.
Installation requires standard woodworking tools including a hinge mortise template, chisel, drill with Φ3mm and Φ5mm bits, and a screwdriver. For best results, we recommend using a torque screwdriver to ensure proper fastening torque (8-10 Nm) for the Φ10.9 bolts, preventing over-tightening that could damage door frames.
