---
product_id: 260407955
title: "Premium Brass Half Cylinder 40 mm Cylinder - 1-Piece"
brand: "harmonus"
price: "AR$41730"
currency: ARS
in_stock: true
reviews_count: 1
category: "Harmonus"
url: https://www.desertcart.com.ar/products/260407955-premium-brass-half-cylinder-40-mm-cylinder-1-piece
store_origin: AR
region: Argentina
---

# 40mm precision brass cylinder One side knob & one side key lock Easy installation, standard fitting Premium Brass Half Cylinder 40 mm Cylinder - 1-Piece

**Brand:** harmonus
**Price:** AR$41730
**Availability:** ✅ In Stock

## Summary

> 🔐 Elevate your security game with precision-crafted brass power!

## Quick Answers

- **What is this?** Premium Brass Half Cylinder 40 mm Cylinder - 1-Piece by harmonus
- **How much does it cost?** AR$41730 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/260407955-premium-brass-half-cylinder-40-mm-cylinder-1-piece)

## Best For

- harmonus enthusiasts

## Why This Product

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

## Key Features

- • **Standard 40mm Fit:** Seamlessly integrates with most door setups
- • **Robust Brass Build:** Durable silver-polished brass for lasting security
- • **Trusted Brand Legacy:** HARMONUS – a global leader in lock innovation and reliability
- • **Dual-Function Locking:** Convenient knob on one side, secure key lock on the other
- • **Effortless Installation:** Designed for quick, hassle-free setup by professionals

## Overview

The Premium Brass Half Cylinder 40 mm by HARMONUS offers a polished, durable brass construction with a dual-function locking mechanism—knob on one side and key lock on the other. Designed for easy installation and standard fitting, it ensures high security and seamless integration into modern doors. Trusted globally, this lock combines innovation with reliability for professionals seeking robust security solutions.

## Description

HARMONUS lock is a recognized name all over the globe as the authentic, enduring name in locks and security products. As the largest trader of locks and security products in India, they are continuously improving the quality to produce excellent products with new innovation and techniques.

Review: Nice useful product - Nice product

## Features

- Material: Brass, Color: Silver
- One Side Knob & One Side Key Lock Function Mode
- 40 mm Standard Fitting Length
- Application - can be used and installed in an easy manner , Security - it provides high security mechanism
- Package Contents: 1-Piece Smart Key Cylinder

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08BWRTY11 |
| Additional Features | Key Unlock |
| Best Sellers Rank | #51,957 in Home Improvement ( See Top 100 in Home Improvement ) #48 in Lock Cylinders |
| Brand | HARMONUS |
| Brand Name | HARMONUS |
| Colour | Silver |
| Connectivity Protocol | Wi-Fi |
| Control Method | Touch |
| Controller Type | Key Control |
| Country of Publication | India |
| Customer Reviews | 4.5 out of 5 stars 2 Reviews |
| Lock Type | Key Lock |
| Manufacturer | HARMONUS |
| Manufacturer Part Number | HF40MM |
| Material | Brass |
| Material Type | Brass |
| Model Number | HF40MM |
| Number of Pieces | 1 |
| Product Finish Type | Polished |
| Recommended Uses For Product | security |
| Shape | Round |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Feature | Key Unlock |
| Style | Modern |
| Style Name | Modern |
| Unit Count | 1 Count |

## Product Details

- **Brand:** HARMONUS
- **Lock Type:** Key Lock
- **Material:** Brass
- **Recommended Uses For Product:** security
- **Special Feature:** Key Unlock

## Images

![Premium Brass Half Cylinder 40 mm Cylinder - 1-Piece - Image 1](https://m.media-amazon.com/images/I/311nAvpKgJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Nice useful product
*by S***L on 30 November 2025*

Nice product

## Frequently Bought Together

- HARMONUS Premium Brass Half Cylinder 40 mm Cylinder - 1-Piece
- HARMONUS Knobs for Drawer & Cabinets Set Knob, Rose Gold - Black Wardrobe Kitchen Door Pull Handle Knobs Square Shape Drawer Knob - (KNOBS-167- Pack of 3)
- Godrej Cylindrical Lock | for Bedroom Doors | Suitable for Left&Right, Inside & Outside Doors| for Residential Doors | Door Thickness 32mm to 45 mm | Stainless Steel Finish | 5 Years Warrenty

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.ar/products/260407955-premium-brass-half-cylinder-40-mm-cylinder-1-piece](https://www.desertcart.com.ar/products/260407955-premium-brass-half-cylinder-40-mm-cylinder-1-piece)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-10-05*