--- product_id: 271452676 title: "Sumnacon 2 Pcs Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors,Composite Doors,Wood Doors,Double Doors,Dummy Doors,Brush Stainless Steel Finish" brand: "sumnacon" price: "£4.86" currency: GBP in_stock: true reviews_count: 5 category: "Sumnacon" url: https://www.desertcart.co.uk/products/271452676-sumnacon-2-pcs-door-flush-bolt-6-inch-concealed-security store_origin: GB region: United Kingdom --- # 6-inch flush bolt length Automatic holding spring Solid stainless steel build Sumnacon 2 Pcs Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors,Composite Doors,Wood Doors,Double Doors,Dummy Doors,Brush Stainless Steel Finish **Brand:** sumnacon **Price:** £4.86 **Availability:** ✅ In Stock ## Summary > 🔐 Elevate your door security with sleek, silent strength! ## 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,Brush Stainless Steel Finish by sumnacon - **How much does it cost?** £4.86 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/271452676-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 - • **Built to Last:** Crafted from heavy-duty brushed stainless steel, ensuring rustproof, corrosion-resistant durability for years of reliable use. - • **Effortless Operation:** Innovative lever switch with automatic holding spring offers smooth, tensioned locking and unlocking without the hassle. - • **Versatile Compatibility:** Perfectly engineered for French, composite, wood, double, patio, and dummy doors—upgrade your home’s security effortlessly. - • **Hassle-Free Installation:** Includes rust-proof screws and surface strikes with clear instructions, making professional-grade security accessible to every DIYer. - • **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 brushed stainless steel concealed lock designed for enhanced security on French, composite, wood, double, patio, and dummy doors. Featuring an automatic holding spring and a smooth lever switch, it offers durable, rustproof protection with easy installation using included hardware. Ideal for modern homes seeking discreet yet robust door security. ## Description International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Review: these were to replace an old set that broke after many years of use. Very happy to find the exact replacement. Review: Bon produit! ## Features - Flush bolt 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 | |---------------|-------| | ASIN | B0773K3SX7 | | ASIN | B0773K3SX7 | | Additional Features | Automatic Holding Spring, Easy-to-Use Switch Design | | Best Sellers Rank | #12,116 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #44 in Door Latches & Bolts | | Brand Name | Sumnacon | | Color | Silver | | Customer Reviews | 4.5 4.5 out of 5 stars (1,205) | | Customer reviews | 4.5 4.5 out of 5 stars (1,205) | | Date First Available | 26 December 2017 | | Finish Types | Brushed | | Included Components | screws, strikes, installation instructions | | Is Discontinued By Manufacturer | No | | Item Weight | 0.22 Kilograms | | Item model number | ULSMC01023 | | Lock Type | Flush Bolt | | Manufacturer | Sumnacon | | Manufacturer | Sumnacon | | Material Type | Stainless Steel | | Model Number | ULSMC01023 | | Package Dimensions | 16 x 3.81 x 2.59 cm; 220 g | | Recommended Uses For Product | Securing residential doors (French, patio, wood, double, composite, dummy) | | Style Name | modern | | UPC | 736140224302 | | Unit Count | 2.0 Count | ## Product Details - **Brand:** Sumnacon - **Lock type:** Flush Bolt - **Material:** Stainless Steel - **Recommended uses for product:** Securing residential doors (French, patio, wood, double, composite, dummy) - **Special features:** Automatic Holding Spring, Easy-to-Use Switch Design ## Images ![Sumnacon 2 Pcs Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors,Composite Doors,Wood Doors,Double Doors,Dummy Doors,Brush Stainless Steel Finish - Image 1](https://m.media-amazon.com/images/I/61yRPS6CvLL.jpg) ## Available Options This product comes in different **Size** 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 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by V***K on 17 February 2021* these were to replace an old set that broke after many years of use. Very happy to find the exact replacement. ### ⭐⭐⭐⭐⭐ Review *by C***. on 9 December 2025* Bon produit! ### ⭐⭐⭐⭐⭐ Review *by R***S on 29 June 2025* item as described did the job well ## Frequently Bought Together - Sumnacon 2 Pcs Door Flush Bolts - 6 Inch Concealed Security Door Locks for French Doors,Composite Doors,Wood Doors,Double Doors,Dummy Doors,Brush Stainless Steel Finish - JQK Closet Door Ball Catch Hardware, Stainless Steel Catch Adjustable with Strike Plate, Brushed Satin Finish 2 Pack, HBC100-P2 - Ceoighe 2 Pack Flush Bolt for Double Door, 7 Inch Heavy Duty Chrome Plating Flush Latch Bolts, French Door Lock for Inactive Leaf, Double Door Opening and Composite Wood Double Dummy Door --- ## 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.co.uk/products/271452676-sumnacon-2-pcs-door-flush-bolt-6-inch-concealed-security](https://www.desertcart.co.uk/products/271452676-sumnacon-2-pcs-door-flush-bolt-6-inch-concealed-security) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-27*