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McKinney MKCL134 4-1/2x4-1/2 Standard Weight Cam-Lift Stainless Steel Hinge | Full Mortise
McKinney MKCL134 4-1/2 x 4-1/2 standard weight cam-lift stainless steel hinge.
Lead time: Normally ships in 2-3 business days via McKinney QuickShip; current lead time confirmed at order acknowledgment.
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McKinney MKCL134 4-1/2 x 4-1/2 Standard Weight Cam-Lift Stainless Steel Hinge — Full Mortise
The McKinney MKCL134 is a full mortise, standard weight cam-lift hinge engineered for doors that must swing clear of carpet, raised thresholds, or floor obstructions. The defining feature of a cam-lift hinge — sometimes called a rising hinge or cammed knuckle hinge — is its specially profiled knuckle: as the door is pushed open, the cam geometry lifts the door slightly off the floor plane, allowing the leaf edge to clear floor coverings or threshold transitions without dragging. When released, gravity returns the door to the closed position, providing a passive self-closing action with no hydraulic or spring mechanism required. Manufactured by McKinney, a respected name in commercial and architectural door hardware, the MKCL134 is finished in stainless steel and sized at a standard 4-1/2 in. x 4-1/2 in. leaf dimension — one of the most common full mortise hinge sizes for standard commercial door and frame applications.
Institutional Grade Features & Benefits
- Cam-Lift Knuckle Design: The cammed knuckle raises the door as it opens, allowing the door bottom to swing clear of carpet pile, resilient flooring transitions, or door thresholds — eliminating drag and floor-covering damage without requiring a floor stop or additional clearance hardware.
- Gravity Self-Closing Action: Once the door is released, the cam geometry causes the door to return to the closed position under its own weight — a simple, maintenance-free self-closing solution with no mechanical closer required for light-duty applications.
- Full Mortise Installation: Both leaves are fully mortised into the door edge and frame face, providing a flush, clean finish consistent with architectural hardware standards and ensuring maximum structural engagement with the door and frame materials.
- Standard Weight Construction at 0.134 in. Gauge: Leaves are fabricated from steel at a precise 0.134 in. (gauge) thickness per the McKinney full-line catalog — the standard weight specification appropriate for typical commercial door weights and everyday use cycles.
- Stainless Steel Finish: The stainless steel material provides corrosion resistance and a clean, professional appearance suitable for a wide range of architectural environments.
- McKinney Quality: Produced under the McKinney brand, a well-established manufacturer of commercial hinges and door hardware with a long track record in the architectural hardware industry.
Technical Details
| Feature | Details |
|---|---|
| Brand | McKinney |
| Model / Part Number | MKCL134 |
| Part Type | Full Mortise Cam-Lift Hinge |
| Hinge Size | 4-1/2 in. x 4-1/2 in. |
| Gauge (Leaf Thickness) | 0.134 in. (Standard Weight) |
| Material / Finish | Stainless Steel |
| Hinge Type | Cam-Lift (Rising Knuckle / Gravity Self-Closing) |
| Mounting Style | Full Mortise (both leaves mortised into door edge and frame) |
Documentation
| Door Handing | LH or RH |
| Brand | McKinney |
| General - US Finishes | US32D - Satin Stainless Steel/ 630 |
| Hinge Mounting | Full Mortise |
| Hinge Height | 4.5" Hi |
| Hinge Width | 4.5" Wi |
| Hinge Grade/Thickness | Standard Wt .119 to .146 |
| Base Material | Stainless Steel |
| Part Type | Hinge, Hinge |
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