# Numhew Pivot Hinge Hold Open Hidden Door Hinge, 1100 lb. Load Locking 90 Degrees for Secret Doors, Bookshelf Doors and Bookcase

**Brand:** [Numhew](https://shop.coreranger.com/brands/Numhew)
**SKU:** D3C9L6M8
**Price:** $154.34 · in stock
**URL:** https://shop.coreranger.com/product/numhew-pivot-hinge-hold-open-hidden-door-hinge-1100-lb-load-locking-90-degrees-for-secret-doors-book-342125517

## Specifications

| Spec | Value |
|---|---|
| Model # | D3C9L6M8 |
| Internet # | 342125517 |
| Returnable | 90-Day |
| Store SKU # | 1015644800 |
| Product Depth (in.) | 1.3 in |
| Product Width (in.) | 5.1 in |
| Cabinet Product Type | Installation Accessories |
| Product Height (in.) | 0.2 in |
| Builders Hardware Product Type | Accessory |

## Description

This heavy duty pivot hinge system supports doors weighing up to 1100 lbs. and features a concealed design for seamless integration into custom interior builds. Made from 304 stainless steel, it delivers long-term corrosion resistance and structural integrity. The top and bottom plates measure 5-1/8 in. by 1-5/16 in., and the set includes all mounting hardware plus a door ball catch for secure latching. Its precision-engineered bearing assembly enables smooth, silent rotation without vibration or binding. A built-in 90-degree detent holds the door open without extra dampers or stops, improving accessibility in frequently used spaces. Rounded edges on all components enhance safety during handling and installation. The hardware is compatible with various hidden door applications including bookshelf doors, secret entrances, and pivot-mounted cabinetry. Installation is straightforward with included step-by-step instructions tailored for both professionals and experienced DIY users.

• 304 stainless steel construction ensures corrosion resistance
• Precision bearing design for smooth rotation
• 90 detent holds the door open without additional hardware