McKinney HTA386 5x4 Three-Knuckle Heavy Weight Stainless Steel Hospital Tip Hinge | Full Mortise
The McKinney HTA386 is a full mortise, three-knuckle heavy weight stainless steel butt hinge sized 5 x 4 inches, engineered with hospital tips — the distinctively sloped, rounded barrel ends that eliminate exposed ligature points on the hinge barrel. This design makes the HTA386 a purpose-built solution for behavioral health facilities, psychiatric units, detention environments, and any high-security or ligature-resistant door opening where conventional square-corner hinge tips present an unacceptable risk. Also known as a hospital-tip butt hinge or ligature-resistant hinge, the HTA386 combines heavy-weight stainless steel construction with a full-mortise mounting style, meaning both leaves are recessed flush into the door edge and frame rabbet for a clean, low-profile installation profile.
Institutional Grade Features & Benefits
- Hospital Tip (Ligature-Resistant) Barrel Ends: Sloped, radiused barrel tips replace the flat square ends of standard hinges, removing the horizontal surface that could otherwise be exploited as a ligature anchor point — a critical safety requirement in behavioral health and secure facility door specifications.
- Three-Knuckle Configuration: The three-knuckle barrel design provides a clean, institutional appearance while delivering the strength and alignment stability required on heavy commercial and institutional doors.
- Heavy Weight Stainless Steel Construction: Manufactured from stainless steel at a precise leaf thickness of 0.190 in. (per McKinney full-line catalog), delivering superior corrosion resistance, long service life, and the structural integrity demanded by high-traffic institutional openings.
- Full Mortise Mounting: Both the door leaf and frame leaf are fully mortised (recessed flush), producing a smooth door face, reduced tampering opportunity, and compatibility with standard commercial door and frame preparations.
- 5 x 4 Inch Leaf Dimensions: The 5-inch height by 4-inch width leaf sizing accommodates wider commercial doors and heavier door slabs commonly specified in institutional construction, providing generous bearing surface and load distribution.
- Stainless Steel Durability: Inherently resistant to moisture, cleaning chemicals, and the frequent sanitization cycles common in healthcare and institutional environments, making the HTA386 a low-maintenance, long-lifecycle hinge choice.
Applications
The McKinney HTA386 hospital tip hinge is commonly specified for behavioral health facility doors, psychiatric ward entry and patient room doors, correctional and detention facility doors, VA medical center doors, and any commercial opening requiring a ligature-resistant hinge solution. Its full mortise format suits standard hollow metal door and frame assemblies as well as solid wood commercial door applications.
Technical Details
| Feature | Details |
|---|---|
| Brand | McKinney |
| Part Number | HTA386 |
| Part Type | Full Mortise Butt Hinge |
| Hinge Size | 5 x 4 in. |
| Knuckle Count | Three-Knuckle |
| Weight Class | Heavy Weight |
| Tip Style | Hospital Tip (Ligature-Resistant Sloped Barrel Ends) |
| Material | Stainless Steel |
| Gauge / Leaf Thickness | 0.190 in. |
| Mounting Style | Full Mortise |
Documentation
- McKinney Catalog / Product Page - HTA386
- This model is a factory option (modified barrel/tip) of the base hinge; the McKinney document library publishes the cut sheet under the base model. The catalog page above carries the option's specification.
| Brand | McKinney |
| General - US Finishes | US32D - Satin Stainless Steel/ 630 |
| Hinge Type | Full Mortise |
| Hinge Mounting | Full Mortise |
| Door Handing | Field Reversible, Field Reversible |
| Hinge Height | 5.0" Hi |
| Hinge Width | 4.0" Wi |
| Hinge Grade/Thickness | Heavy Wt .180 to .190 |
| Hinge Corners | Square |
| Hinge Knuckle | 3 Knuckles |
| Base Material | Stainless Steel |
| Hinge Options | HT (Hospital Tip) |
| Part Type | Hinge, Hinge |
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