---
product_id: 379861845
title: "HLMOptimo 7 inch Invisible Hinges Hidden Door Hinges Concealed Hinges 180 Degree Swing Hinge 3-D Adjustable Butt Hinge 7 x 2.8 x 1 inch (Silver Pack of 2)"
brand: "hlmoptimo"
price: "S/.715"
currency: PEN
in_stock: true
reviews_count: 5
category: "Hlm Optimo"
url: https://www.desertcart.pe/products/379861845-hlmoptimo-7-inch-invisible-hinges-hidden-door-hinges-concealed-hinges
store_origin: PE
region: Peru
---

# 7 x 2.8 x 1 inch compact size 180° smooth swing range 3D adjustability ±3mm/±2mm/±1mm HLMOptimo 7 inch Invisible Hinges Hidden Door Hinges Concealed Hinges 180 Degree Swing Hinge 3-D Adjustable Butt Hinge 7 x 2.8 x 1 inch (Silver Pack of 2)

**Brand:** hlmoptimo
**Price:** S/.715
**Availability:** ✅ In Stock

## Summary

> 🔧 Unlock the power of invisible precision – hinge your doors to perfection!

## Quick Answers

- **What is this?** HLMOptimo 7 inch Invisible Hinges Hidden Door Hinges Concealed Hinges 180 Degree Swing Hinge 3-D Adjustable Butt Hinge 7 x 2.8 x 1 inch (Silver Pack of 2) by hlmoptimo
- **How much does it cost?** S/.715 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/379861845-hlmoptimo-7-inch-invisible-hinges-hidden-door-hinges-concealed-hinges)

## Best For

- hlmoptimo enthusiasts

## Why This Product

- Trusted hlmoptimo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust Alloy Build:** Durable zinc alloy embryo with aluminum core ensures long-lasting strength and corrosion resistance.
- • **Seamless Concealment:** Invisible hinge design for a sleek, modern door aesthetic that screams sophistication.
- • **Effortless 180° Swing:** Wide opening angle for maximum accessibility and smooth operation, elevating your space’s functionality.
- • **Precision 3D Adjustment:** Fine-tune vertical, horizontal, and depth alignment without removing the door—perfect fit guaranteed.
- • **Universal Compatibility:** Fits doors thicker than 35mm and up to 850mm wide—versatile for wood, aluminum, fire, and security doors.

## Overview

The HLMOptimo 7-inch Invisible Hinges offer a sleek, concealed solution with a robust zinc alloy and aluminum core build. Featuring 3D adjustability (vertical ±3mm, horizontal ±2mm, depth ±1mm) without door removal, these hinges support doors thicker than 35mm and up to 850mm wide. With a smooth 180° swing and compatibility across multiple door types, they combine durability and style for the modern professional’s space.

## Description

1. Hidden installation, suitable for wooden doors, aluminum doors, fire doors, smoke doors, noise doors, security doors, and so on 2. Three-dimensional adjustable range: up and down ± 3.0mm, about ± 2.0mm, before and after the ± 1.0mm, do not have to remove the door can be adjusted 3. Opening degree: 180 degrees 4. Overall material: zinc alloy embryo + aluminum alloy core 5. The main surface treatment: sand nickel, sand chrome, pearl nickel, pearl chrome, green ancient, red ancient and so on 6. invisible hinges of 2, matching screws, adjustment tools

Review: Buen producto! - Un poco alto el costo y estaría excelente un video de cómo instalar y cómo queda ya instalada la bisagra y debería traer tornillos de repuesto, ya que es confuso el instructivo de instalación. Al final se logró pero si fue muy tardado instalar y ajustar.
Review: Hidden hinges - Works fine. Need a good router to make the cut.

## Features

- DIMENSION - 7 x 2.8 x 1 inch, MATERIAL – Zinc alloy embryo + aluminum alloy core
- EASY INSTALLATION - Three-dimensional adjustable range: vertical ± 3.0mm, horizontal ± 2.0mm and depth ± 1.0mm, do not have to remove the door can be adjusted
- APPLICABLE DOOR SIZE - Door Thickness ＞ 35mm, Door Width ＜ 850mm
- Three-dimensional adjustable range: APPLICABLE DOOR SIZE - Door Thickness ＞ 35mm, Door Width ＜ 850mmup and down ± 3.0mm, left and right ± 2.0mm, before and after ± 1.0mm, do not have to remove the door can be adjusted
- Finger protection due to small gap between door and frame.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08X1JHTKX |
| Brand | HLMOptimo |
| Country of Origin | China |
| Customer Reviews | 4.2 out of 5 stars 31 Reviews |
| Finish | Unfinished |
| Finish type | Unfinished |
| Item Dimensions L x W | 17.8L x 7.1W centimetres |
| Item height | 0.1 centimetres |
| Manufacturer | HLMOptimo |
| Material | Alloy , Zinc , Silver |
| Model Number | cae044f2-90f9-40f7-bcbb-c9b6217e84dd |
| Mounting Type | Door Mount |
| Mounting type | Door Mount |
| Product dimensions | 17.8L x 7.1W centimetres |
| Unit Count | 2.0 Count |
| Unit count | 2.0 Count |

## Product Details

- **Material:** Alloy,Zinc,Silver
- **Brand:** HLMOptimo
- **Product dimensions:** 17.8L x 7.1W centimetres
- **Finish type:** Unfinished
- **Mounting type:** Door Mount
- **Unit count:** 2.0 Count
- **Colour:** Silver Pack of 2
- **Manufacturer:** HLMOptimo

## Images

![HLMOptimo 7 inch Invisible Hinges Hidden Door Hinges Concealed Hinges 180 Degree Swing Hinge 3-D Adjustable Butt Hinge 7 x 2.8 x 1 inch (Silver Pack of 2) - Image 1](https://m.media-amazon.com/images/I/41zgAm6U9mL.jpg)
![HLMOptimo 7 inch Invisible Hinges Hidden Door Hinges Concealed Hinges 180 Degree Swing Hinge 3-D Adjustable Butt Hinge 7 x 2.8 x 1 inch (Silver Pack of 2) - Image 2](https://m.media-amazon.com/images/I/71+5h6Cp1ML.jpg)
![HLMOptimo 7 inch Invisible Hinges Hidden Door Hinges Concealed Hinges 180 Degree Swing Hinge 3-D Adjustable Butt Hinge 7 x 2.8 x 1 inch (Silver Pack of 2) - Image 3](https://m.media-amazon.com/images/I/81JDOT6EwxL.jpg)
![HLMOptimo 7 inch Invisible Hinges Hidden Door Hinges Concealed Hinges 180 Degree Swing Hinge 3-D Adjustable Butt Hinge 7 x 2.8 x 1 inch (Silver Pack of 2) - Image 4](https://m.media-amazon.com/images/I/81PVd0qcD6L.jpg)
![HLMOptimo 7 inch Invisible Hinges Hidden Door Hinges Concealed Hinges 180 Degree Swing Hinge 3-D Adjustable Butt Hinge 7 x 2.8 x 1 inch (Silver Pack of 2) - Image 5](https://m.media-amazon.com/images/I/81nyn5iZO7L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Buen producto!
*by I***A on 2 May 2025*

Un poco alto el costo y estaría excelente un video de cómo instalar y cómo queda ya instalada la bisagra y debería traer tornillos de repuesto, ya que es confuso el instructivo de instalación. Al final se logró pero si fue muy tardado instalar y ajustar.

### ⭐⭐⭐⭐⭐ Hidden hinges
*by M***C on 14 August 2023*

Works fine. Need a good router to make the cut.

### ⭐⭐⭐⭐ Good but needs better instructions!
*by A***O on 18 October 2022*

These seem to be well made and so far work well. The actual installation is straight forward but the following changes would make everything almost perfect: 1. There should be a template sent with the unit to make mortising the holes easier. Not an actual template for the router to follow but even just a cardboard template. They do not come apart so using the hinges themselves as templates is near impossible as they wont lay flat on a surface. 2. The instructions are only in chinese. Since these are being sold on a u.s based platform i expected instructions in english or at very least diagrams that outline things with arrows to show movement directions etc of adjustments. Everyone that buys these will not know how to adjust and will probably use trial and error to figure it out which takes time and adds frustration. Overall a good product but please send out clearer instructions.

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-05-23*