--- product_id: 61001544 title: "Supreme Heavy Duty Flush Bolt - Door Bolt for French Doors & Double Doors 100/150/200mm Brass/Chrome/Satin (150mm, Satin)" brand: "bigcago" price: "$40.23" currency: USD in_stock: true reviews_count: 1 category: "Bigcago" url: https://www.desertcart.us/products/61001544-supreme-heavy-duty-flush-bolt-door-bolt-for-french-doors store_origin: US region: United States of America --- # 3-stage lacquered finish 20mm width for robust fit Single lever for smooth operation Supreme Heavy Duty Flush Bolt - Door Bolt for French Doors & Double Doors 100/150/200mm Brass/Chrome/Satin (150mm, Satin) **Brand:** bigcago **Price:** $40.23 **Availability:** ✅ In Stock ## Summary > 🔐 Secure your space with style and strength! ## Quick Answers - **What is this?** Supreme Heavy Duty Flush Bolt - Door Bolt for French Doors & Double Doors 100/150/200mm Brass/Chrome/Satin (150mm, Satin) by bigcago - **How much does it cost?** $40.23 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/61001544-supreme-heavy-duty-flush-bolt-door-bolt-for-french-doors) ## Best For - bigcago enthusiasts ## Why This Product - Trusted bigcago brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Quality You Can Trust:** Rigorous 3-stage inspection guarantees superior build quality and long-lasting performance. - • **Built to Outlast Your Door:** Engineered with ultra-strong alloy steel that surpasses door strength for unmatched security. - • **Effortless Single-Lever Action:** Quick, intuitive bolt operation designed for seamless locking and unlocking. - • **Precision Fit for Timber Doors:** 20mm width and exposed mechanics allow easy recessing and flawless installation. - • **Sleek Satin Finish with Durability:** Premium 3-stage lacquered coating ensures a high-luster look that resists wear and corrosion. ## Overview The Supreme Heavy Duty Flush Bolt is a 150mm alloy steel door bolt designed for French and double doors. Featuring a robust 20mm width, single-lever manual operation, and a premium satin finish protected by a 3-stage lacquer process, it offers superior strength that can exceed the structural integrity of the door itself. Engineered for easy installation and lasting durability, this flush bolt combines high security with elegant aesthetics, making it a top choice for professional-grade door hardware. ## Description The Supreme Flush Bolts are built with a steel construction and a vector mechanism to maximise the product's integrity and structure to provide a smooth bolt latch action and high strength lock, thought to be stronger than the wood of an average door. The Supreme Flush Bolts are fabricated using the optimum materials and methods to not only create a product of immense strength and stability, when fitted correctly, but also to boast a high quality finish and luster to add to the complete and uniform ironmongery and door/window furniture finish with no compromise in aesthetic quality. While the Supreme Flush Bolts are to the highest aesthetic quality, they are by no means blighted in their structural stability and impact resistance being 20mm wide. When fitted correctly on an sized wooden door, the Supreme Flush Bolts have established higher strength than the door itself Review: Excellent Service - Excellent product arrived on time would use again ## Technical Specifications | Specification | Value | |---------------|-------| | Colour | Satin | | Exterior finish | Brass , Chrome | | Head style | Flat | | Manufacturer grade | standard | | Material | Alloy Steel | | Thread size | M20 | ## Product Details - **Exterior finish:** Brass, Chrome - **Head style:** Flat - **Manufacturer grade:** standard - **Material:** Alloy Steel - **Thread size:** M20 ## Images ![Supreme Heavy Duty Flush Bolt - Door Bolt for French Doors & Double Doors 100/150/200mm Brass/Chrome/Satin (150mm, Satin) - Image 1](https://m.media-amazon.com/images/I/41CC2Mde-zL.jpg) ## Questions & Answers **Q: Does it come with a matching loor plate?** A: Do. not know what you mean by loor plate. It comes with a plate that goes on the door frame. **Q: How far does the bolt come out?** A: 17mm **Q: what is the cut out depth** A: Sorry I can't answer that without removing the bolt from my door, but what I can tell you is that I ordered the 150mm bolt and the top section that the bolt extrudes from is 35mm in length. The seller should be able to provide an exact measurement. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent Service *by F***Y on 27 October 2019* Excellent product arrived on time would use again ## Frequently Bought Together - Supreme Heavy Duty Flush Bolt - Door Bolt for French Doors & Double Doors 100/150/200mm Brass/Chrome/Satin (150mm, Satin) - IRONZONE® Door Closer Shutter Size 3 Commercial or Domestic Use HMOs etc Fire Doors Hydraulic Adjustable Speed BS EN 1154 Certified IRONZONE with 10 Years Warranty 45-60kg Weight Door, Aluminium Alloy - Digital Code Lock Door Lock - Chrome - Weather Resistant KeyPad Combination Key Coded Button Lock --- ## 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.us/products/61001544-supreme-heavy-duty-flush-bolt-door-bolt-for-french-doors](https://www.desertcart.us/products/61001544-supreme-heavy-duty-flush-bolt-door-bolt-for-french-doors) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-12*