---
product_id: 284813356
title: "Sumnacon 2 Pcs Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors, Composite Doors, Wood Doors, Double Doors, Dummy Doors, Black Brush Stainless Steel Finish"
brand: "sumnacon"
price: "S$63"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/284813356-sumnacon-2-pcs-door-flush-bolt-6-inch-concealed-security
store_origin: SG
region: Singapore
---

# 6-inch solid stainless steel bolt Automatic holding spring tension Includes rust-proof screws & strikes Sumnacon 2 Pcs Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors, Composite Doors, Wood Doors, Double Doors, Dummy Doors, Black Brush Stainless Steel Finish

**Brand:** sumnacon
**Price:** S$63
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in style and security—because your doors deserve the best!

## Quick Answers

- **What is this?** Sumnacon 2 Pcs Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors, Composite Doors, Wood Doors, Double Doors, Dummy Doors, Black Brush Stainless Steel Finish by sumnacon
- **How much does it cost?** S$63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/284813356-sumnacon-2-pcs-door-flush-bolt-6-inch-concealed-security)

## Best For

- sumnacon enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Operation:** Lever-style switch offers smooth, comfortable locking without the clunky push-slide hassle.
- • **Heavy-Duty Durability:** Crafted from solid stainless steel to resist corrosion, rust, and daily wear for long-lasting protection.
- • **Versatile Compatibility:** Ideal for French, composite, wood, double, and dummy doors—top and bottom installation recommended.
- • **Hassle-Free Installation:** Comes with all necessary rust-proof screws and strikes for a quick, secure setup that locks tight.
- • **Seamless Security Integration:** Concealed flush bolt design blends perfectly with modern doors for a sleek, unobtrusive look.

## Overview

The Sumnacon 2 Pcs Door Flush Bolt is a 6-inch concealed security lock crafted from solid stainless steel with a black brushed finish. Designed for French, composite, wood, double, and dummy doors, it features an automatic holding spring for reliable tension and a smooth lever switch for easy use. Included rust-proof screws and strikes ensure a sturdy, corrosion-resistant installation that enhances your home’s security with a modern, sleek aesthetic.

## Description

Flush bolt is great-especially to jamb on French, patio, wood, double or other composite doors, offers concealed locking for dummy doors and inactive doors.Constructed from solid material, it's sturdy and reliable enough for residential daily using.This mechanism comes with reasonable interior design, do not worry about felling apart suddenly when using.With comfortable touching and concealed style, it will surely offer you enjoyable usage and perfectly finished to complement your decor. Recommend to purchase two for top and bottom of the door. Specification: Material: Stainless Steel  Color: Black Finish: Brushed Stainless Steel Finish Size: Length=6"(15cm), Width=0.79"(2cm), Depth = 0.63"(1.6cm) Available for:Composite Doors,French Doors,Dummy Doors Package Included:√ 1*Flush Bolt √ 8*Screws √ 2*Strikes Installation Instruction: 1.Figure out where to install the flush bolt(usually on inactive leaf of double door opening) and drill grooves. 2.Install the flush bolt on the door leaf and tighten each screw. 3.Line up strikes on the door frame or on the floor and drill holes,then tighten each screw. 4.Close the door,put the pin into the hole,done

## Features

- Flush bolt can be used to secure the opening for composite door, French, patio, wood, double or other doors. This great small device features automatic holding spring to provide tension for both retracted and projected positions. It often be installed on inactive leaf of double door opening (top and bottom) to offer safety function.
- Our flush bolts are all machined from solid stainless steel for anti corrosive and rustproof, heavy duty and sturdy. Installing a flush bolt to make a nice addition to security of your home.
- Size : Length=6"(15cm), Width=0.79"(2cm), Depth = 0.67"(1.7cm). The interior part of the flush bolt is reinforced by screws to enhance stability and fluency of the structure. Install on inactive leaf of double door opening.
- Integrated design of the switch is easy for daily use, Say goodbye to the one with "push just ride and slide" type, this lever type with comfortable touching and concealed style will surely offer you enjoyable usage and match your modern decoration.
- Easy to install,comes with rust-proof screws and surface strikes for installation. Constructed from stainless steel, screws will provide extra strength to engage and interlock firmly so as to be immobile.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Sumnacon |
| Part Number | ULSMC00317 |
| Package Dimensions | 16 x 4.19 x 2.21 cm; 200 g |
| Item model number | ULSMC00317 |
| Size | 6 inch Black |
| Colour | Black |
| Style | Modern |
| Finish | Glossy |
| Material | Stainless Steel, Wood |
| Number of Pieces | 2 |
| Plug profile | Door Mount |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 200 g |

## Product Details

- **Brand:** SUMNACON
- **Material:** Stainless Steel, Wood
- **Style:** Modern
- **Colour:** Black
- **Number of pieces:** 2

## Images

![Sumnacon 2 Pcs Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors, Composite Doors, Wood Doors, Double Doors, Dummy Doors, Black Brush Stainless Steel Finish - Image 1](https://m.media-amazon.com/images/I/61TuMv-4opL.jpg)
![Sumnacon 2 Pcs Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors, Composite Doors, Wood Doors, Double Doors, Dummy Doors, Black Brush Stainless Steel Finish - Image 2](https://m.media-amazon.com/images/I/61Js8iM4+xL.jpg)
![Sumnacon 2 Pcs Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors, Composite Doors, Wood Doors, Double Doors, Dummy Doors, Black Brush Stainless Steel Finish - Image 3](https://m.media-amazon.com/images/I/61YvUv+JGdL.jpg)
![Sumnacon 2 Pcs Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors, Composite Doors, Wood Doors, Double Doors, Dummy Doors, Black Brush Stainless Steel Finish - Image 4](https://m.media-amazon.com/images/I/61MGmJ74o8L.jpg)
![Sumnacon 2 Pcs Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors, Composite Doors, Wood Doors, Double Doors, Dummy Doors, Black Brush Stainless Steel Finish - Image 5](https://m.media-amazon.com/images/I/5173BEPPUzL.jpg)

## Available Options

This product comes in different **Colour Name, Size Name** options.

## Questions & Answers

**Q: Can this be installed in the active door of a steel french door?**
A: Yes, that's how I installed mine.

**Q: How does one even install these?**
A: I made a jig with plywood, then pin-nailed it to the doors edge. Set the depth and go at it. Last, clean up the corners with a chisel. Now you’re ready to install the locking mechanism.

**Q: Is the bolt stainless steel as well? screws? are all components stainless and suitable for outdoor use?**
A: Appears to be stainless steel.

**Q: Is this marine grade stainless steel for use on the coast?**
A: Cheap Chinese stainless steel. But for the price it should work

## Frequently Bought Together

- Sumnacon 2Pcs 6 Inch Door Bolts - Stainless Steel Concealed Security French Door Locks with Hardwares, Metal Flush Latch Bolts for Composite Wood Double Dummy Door, Black
- MOSECYOU Flush Bolt French Door Lock - Concealed Bolt Latch for Double/Sliding/Patio/Storm Doors, Flip Lever Mechanism (Black, 6 in. - 1pack)
- JQK Closet Door Ball Catch Hardware, Stainless Steel Catch Adjustable with Strike Plate, Black Finish 2 Pack, HBC100-BK-P2

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-22*