McKinney MK80 4-3/8 x 1-1/8 Steel Concealed Invisible Full Mortise Hinge
Institutional Grade Features & Benefits
- Concealed when closed. Full mortise invisible hinge. Zinc alloy. Non-handed. 180 degree opening.
- No covers. The cut sheet identifies MK80 as the no-cover model.
- 3-dimensional adjustability. Vertical +/- 2 mm, horizontal +/- 2 mm, depth +/- 1 mm.
- Door thickness minimum. 1-3/8 in.
- UL Listed. 20-minute rating for hollow metal, steel covered composite, and wood core fire doors.
- Openings. Wood or hollow metal doors with wood or metal frames.
Technical Details
| Manufacturer | McKinney |
|---|---|
| Model | MK80 |
| Material | Zinc alloy |
| Size | 4-3/8 x 1-1/8 in (cut sheet 111.5 mm x 29 mm) |
| Covers | No covers |
| Handing | Non-handed |
| Opening angle | 180 degrees |
| Adjustment | Vertical +/- 2 mm, horizontal +/- 2 mm, depth +/- 1 mm |
| Door thickness minimum | 1-3/8 in |
| Listing | UL Listed 20 minute |
| Capacity at 36 in door | 176 lbs (2 hinges), 198 lbs (3), 220 lbs (4) |
| Lead time | 2-3 business days |
| General - US Finishes | 626 - Satin Chrome or Matte Black |
| Brand | McKinney |
| Hinge Type | Invisible |
| Base Material | Steel |
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