# Numhew 2 Pack Black Hidden Door Hinges Ultra, Thin Hidden Hinge for Secret Door Invisible Hinges Silent Hidden Door Hinge

**Brand:** [Numhew](https://shop.coreranger.com/brands/Numhew)
**SKU:** J4W1Q2O4
**Price:** $118.99 · in stock
**URL:** https://shop.coreranger.com/product/numhew-2-pack-black-hidden-door-hinges-ultra-thin-hidden-hinge-for-secret-door-invisible-hinges-sile-342125621

## Specifications

| Spec | Value |
|---|---|
| Model # | J4W1Q2O4 |
| Internet # | 342125621 |
| Returnable | 90-Day |
| Store SKU # | 1015645297 |
| Product Depth (in.) | 0.86 in |
| Product Width (in.) | 1.46 in |
| Cabinet Product Type | Installation Accessories |
| Product Height (in.) | 4.72 in |
| Builders Hardware Product Type | Accessory |

## Description

These concealed hinges offer a slim, low-profile solution for doors requiring seamless integration and precise alignment. Designed for minimal door material removal, they need only a shallow 0.2 to 0.5 in. recess, preserving structural integrity while enabling full 110° opening. Constructed with a zinc alloy exterior and aluminum alloy core, they support up to 133 lbs. per pair. The hinges feature vertical and horizontal micro-adjustments of ±3 mm and ±1 mm respectively, allowing fine-tuning after installation. A built-in gasket ensures quiet, lubricant-free operation during opening and closing. They mount separately to the door leaf and frame, with distinct dimensions for each component to accommodate tight clearances. Ideal for custom cabinetry, secret passages, or minimalist interior doors where visible hardware is undesirable. Installation requires routing recesses into both door and frame, so testing on scrap wood first is advised. No branding or decorative elements are present-functionality and discretion drive every design choice.

• Designed for 110 full swing without interference or binding
• Mounts separately to door leaf and frame with different profiles
• Supports doors up to 1.57 in. thick, handles up 133lbs per pair