McKinney RCTA2714 4x4 Five-Knuckle Standard Weight Full Mortise Ball Bearing Butt Hinge with Round Corners
The McKinney RCTA2714 is a full mortise, five-knuckle standard weight ball bearing butt hinge featuring a 4-inch by 4-inch leaf size and 1/4-inch round corners. Engineered by McKinney — a trusted name in commercial and architectural door hardware — this hinge is designed for full mortise installation where both leaves are recessed into the door edge and frame. The five-knuckle construction and ball bearing pivot deliver smooth, consistent operation, making the RCTA2714 a reliable choice for demanding door opening applications.
Institutional Grade Features & Benefits
- Full Mortise Design: Both hinge leaves are fully recessed (mortised) into the door stile and door frame, providing a flush, clean profile and enhanced structural integrity at the hinge line.
- Five-Knuckle Construction: The five-knuckle barrel distributes load across more contact points than a three-knuckle hinge, improving durability and reducing wear over the life of the opening.
- Ball Bearing Pivot: Integrated ball bearings minimize friction and enable smooth, quiet swing cycles — well-suited for doors in frequent-use environments.
- Standard Weight Gauge: Steel leaf thickness of 0.130 inches (per the McKinney full-line catalog) delivers a robust, proven profile for standard commercial door applications.
- 1/4-Inch Round Corners: The rounded corner geometry (RC) ensures compatibility with mortise preparations calling for a radius corner cut, simplifying installation and maintaining a consistent aesthetic across openings.
- 4x4 Leaf Dimensions: The square 4-inch by 4-inch leaf size is a widely specified standard for commercial interior and exterior doors, providing broad compatibility with common door and frame preparations.
- McKinney Quality: Manufactured under the McKinney brand, long recognized in the architectural hardware industry for consistent dimensional accuracy and material quality in hinge products.
Technical Specifications
- Model Number: RCTA2714
- Brand: McKinney
- Part Type: Full Mortise Ball Bearing Butt Hinge
- Leaf Size: 4 inches x 4 inches
- Corner Style: Round Corner (1/4-inch radius)
- Knuckle Count: Five-Knuckle
- Weight Class: Standard Weight
- Bearing Type: Ball Bearing
- Steel Leaf Gauge (Thickness): 0.130 in.
- Installation Type: Full Mortise
Technical Details
| Feature | Details |
|---|---|
| Brand | McKinney |
| Model / Part Number | RCTA2714 |
| Part Type | Full Mortise Ball Bearing Butt Hinge |
| Leaf Size | 4 in. x 4 in. |
| Corner Style | Round Corner — 1/4 in. radius |
| Knuckle Count | Five-Knuckle |
| Weight Class | Standard Weight |
| Bearing Type | Ball Bearing |
| Steel Leaf Thickness (Gauge) | 0.130 in. (per McKinney full-line catalog) |
| Installation Type | Full Mortise |
Documentation
| Brand | McKinney |
| General - US Finishes | US26D - Satin Chrome |
| Hinge Type | Full Mortise |
| Hinge Mounting | Full Mortise |
| Door Handing | Field Reversible |
| Hinge Height | 4.0" Hi |
| Hinge Width | 4.0" Wi |
| Hinge Grade/Thickness | Standard Wt .119 to .146 |
| Hinge Corners | 1/4" Radius |
| Hinge Knuckle | 5 Knuckles |
| Base Material | Steel |
| Part Type | Hinge |
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