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Stanley Security Five Knuckle Architectural Hinge, Brass, Bronze or Stainless Steel, Full Mortise, Standard Weight, 4" by 4", Square Corner
The Stanley Security F191 4×4 is a premium architectural hinge designed for both internal and external doors where durability and aesthetics matter. Crafted in a five-knuckle, full-mortise configuration, this hinge uses plain bearings and is standard-weight steel (with alternate materials/finishes available) to deliver reliable operation under normal to moderate usage. Featuring a square-corner design and reversible (removable-pin) construction, it offers flexibility for many door/frame setups. Available in finishes such as Satin Stainless Steel (US32D / 630), Oil Rubbed Bronze (US10B), Bright Brass (US3 / 605), Satin Chrome (US26D / 626), among others.
This hinge is suitable for commercial and architectural applications—offices, multi-unit dwellings, public buildings—especially where uniform hardware appearance and solid performance are required.
Specifications
| Specification | Detail |
|---|---|
| Model / SKU | F191 4×4 |
| Hinge Type | Full-Mortise Butt Hinge, Five Knuckle |
| Bearing Type | Plain Bearing |
| Material | Steel base (alternate brass/bronze or stainless versions in some SKUs) |
| Finish Options | US32D – Satin Stainless Steel; US10B – Oil Rubbed Bronze; US3 – Bright Brass; US26D – Satin Chrome |
| Size | 4-inch height × 4-inch width; square corner |
| Weight Classification | Standard Weight |
| Pin Type | Typically removable pin (for maintenance or removal) |
| Mounting Style | Full Mortise; for use on both wood and hollow-metal doors and frames; includes template screw-hole layout |
| Gauge / Thickness | Approx .123-.130″ when steel base; varies by finish/material |
| Typical Use-Cases | Internal/external doors without door closers; applications requiring architectural appearance (hotels, offices, multi-unit housing) |
Benefits and Applications
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Provides strong & reliable performance under regular usage in commercial settings.
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Matching finish and design styles across hardware lines ensure visual consistency.
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Removable pin option aids maintenance or replacement without full door removal.
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Plain-bearing design keeps cost lower while giving sufficient performance where high speed/frequent motion (door closers) isn’t required.
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Multiple finish options allow matching to decorative hardware themes or existing installations.
Manufacturer Resources
Product Specs
- Subcategory:
- Hinges
- Series:
- Architectural Hinges
- Hinge Type:
- Full Mortise
- Knuckles:
- 5
- Bearing Type:
- Concealed Bearing
- Corner Style:
- Square Corners
- Product Group:
- Door Hinges and Pivots
- Product Subgroup:
- Full Mortise Hinges
- Product Type:
- Full Mortise Hinges
- Duty Level:
- Medium Duty
- Commercial/Residential:
- Commercial
- Hinge Pin Type:
- Removable
- Product Model:
- F191
- Product Category:
- Door Hinges and Pivots