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Hager BB1543 4" x 4" Non-Ferrous Hinge | Square x 5/8" Radius Corner
The Hager BB1543 is a specialized residential plain bearing hinge designed for "mixed-prep" applications where a standard hinge won't fit. Featuring one square corner leaf and one 5/8" radius rounded leaf, this hinge is the professional solution for hanging new, factory-prepped doors into existing square-mortised frames. Crafted from high-quality non-ferrous materials, the BB1543 is inherently rust-proof, making it the premier choice for coastal homes, luxury bathrooms, and laundry rooms.
Specialized Hybrid Design and Construction
The Hager BB1543 eliminates the need for time-consuming field mortising by providing a dual-corner configuration that adapts to your existing door and frame. Available in solid brass or stainless steel, this hinge is strictly non-ferrous, ensuring it will not pit, rust, or corrode when exposed to moisture or salt air. The removable pin and right-hand assembly allow for a precise, easy installation on standard residential door swings.
High-Quality Residential Engineering
With a .085 metal gauge, this hinge provides reliable support for standard interior and exterior residential doors. To ensure a lifetime of silent, friction-free operation, Hager recommends lubricating the hinges with lithium grease during or after installation, as residential units are provided unlubricated. This allows for a smooth, high-end feel that protects both the door and the frame from unnecessary wear.
Technical Specifications
| Feature | Specification |
| Model Number | Hager BB1543 |
| Dimensions | 4.0" x 4.0" (102mm x 102mm) |
| Corner Type | Mixed: 1 Leaf Square / 1 Leaf 5/8" Radius |
| Hinge Type | Plain Bearing - Removable Pin |
| Material | Brass (Brass Pin) or Stainless Steel (SS Pin) |
| Gauge (Thickness) | 0.085" (Residential Weight) |
| Standards | ANSI A2134 (Brass) / ANSI A5134 (Stainless) |
| Handing | Assembled Right Hand |
| Available Finishes | US3 (Bright Brass), US10B (Oil Rubbed Bronze), US32D (Satin Stainless) |
Installation and Hardware
- Fasteners: Furnished standard with matching 3/4 x 9 FH wood screws.
- Options: Machine screws are available for an additional price for metal jamb applications.
- Special Orders: Specialized 3.5" x 3.5" sizes are available by quote for smaller door applications.
- Ordering Note: While packaged in boxes of two, pricing and purchasing is per hinge.
How to tell the difference between Residential Hinge and Commercial Hinge
| General - US Finishes | US32D - Satin Stainless Steel/ 630 or US3 - Polished Brass or US10R - Antique Bronze |
| Brand | Hager |
| Hinge Height | 4.0" Hi |
| Hinge Width | 4.0" Wi |
| Hinge Grade/Thickness | Residental Wt .085 to .106 |
| Hinge Type | Full Mortise |
| Hinge Options | Ball Bearing |
| Base Material | Stainless Steel, Brass |
| Hinge Corners | Half Square-Half 5/8 Radius |
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