--- product_id: 286148635 title: "12Sets M6x40mm Black Hex Socket Cap Bolts and Barrel Nuts, Crib Bolts Flat Head Binding Bolt Screw Post for Belt Buckle Leather Furniture" brand: "mardatt" price: "£10.96" currency: GBP in_stock: true url: https://www.desertcart.co.uk/products/286148635-12sets-m6x40mm-black-hex-socket-cap-bolts-and-barrel-nuts store_origin: GB region: United Kingdom --- # Hex key included M6x40mm bolts Durable metal 12Sets M6x40mm Black Hex Socket Cap Bolts and Barrel Nuts, Crib Bolts Flat Head Binding Bolt Screw Post for Belt Buckle Leather Furniture **Brand:** mardatt **Price:** £10.96 **Availability:** ✅ In Stock ## Summary > 🔧 Tighten Up Your DIY Game! ## Quick Answers - **What is this?** 12Sets M6x40mm Black Hex Socket Cap Bolts and Barrel Nuts, Crib Bolts Flat Head Binding Bolt Screw Post for Belt Buckle Leather Furniture by mardatt - **How much does it cost?** £10.96 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/286148635-12sets-m6x40mm-black-hex-socket-cap-bolts-and-barrel-nuts) ## Best For - mardatt enthusiasts ## Why This Product - Trusted mardatt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **💪 Built to Last:** Crafted from high-hardness metal with a rust-resistant finish. - • **🔒 Secure Your Projects:** Experience unmatched stability with our premium bolts and nuts. - • **📏 Precision Engineering:** Standardized metric threads ensure a perfect fit every time. - • **⚙️ Effortless Installation:** Quickly assemble your furniture with the included hex key. - • **🛋️ Versatile Applications:** Perfect for cribs, cabinets, and DIY projects. ## Overview The 12Sets M6x40mm Black Hex Socket Cap Bolts and Barrel Nuts set includes 12 high-quality bolts and 12 barrel nuts, designed for durability and ease of use in various furniture projects. With a rust-resistant finish and precise threading, these bolts are perfect for both DIY enthusiasts and professional applications. ## Description ♞Mardatt M6 Black Hex Socket Cap Bolts and Barrel Nuts Kit 【Specifications】 ◆Color: Black ◆Finish: Zinc ◆Material: Premium Strong Metal ◆Type: Hex Socket Head ◆Sizes of Bolts: M6x40mm/1.57” ◆Sizes of Barrel Nuts: M6 x 17mm/0.67” 【Key Features】 ●Strong & Durable Material - Crafted of strong metal, they are tough, solid and stable, built to handle heavy loads and make strong joint. ●Nicely Finished Surface - Its surface is treated by zinc plating, rust resistant, smooth without burr. Flat round head makes it look nice after installation. ●Precise & Complete thread - Each Bolt and nut accords with standard metric system, offering a good match between bolt and barrel nuts. Multiple sizes are availiable which will support your various projects. 【Package Included】 12 x M6*40mm Bolts 12 x M6*17mm Barrel Nuts 1 x Hex Key Total: 25pcs ✎✎【Friendly Customer Service】 If for any reason you are not fully satisfied with your purchase, please don’t hesitate to contact us at any time. We would reply within 12-hour and solve all the problems to your satisfaction:) ♥【Warm Tips】 1. Please check the 2nd picture for the detailed dimensions of the product before purchase. 2. Small parts, keep away from children under 6 years old. ## Features - ♛【What’s In The Package】--- Includes 12pcs Hex Socket Cap Bolts (Thread Size= M6x40mm/1.57”) + 12pcs Barrel Nuts (Thread Size= M6x17mm/0.67”) + 1pc Hex Key. PLEASE SEE MORE SIZE DETAILS ON OUR 2ND PICTURE. - ♛【Strong & Durable Type】--- The furniture bolts and barrel nuts are made of premium strong metal, high hardness, smooth without burr. The rust preventative black zinc finishes ensure their good performance in dry, indoor conditions, which also give them a slightly glossy appearance. - ♛【Selected Custom Set】--- These furniture hardware features standardized metric thread on both the female threaded barrel nuts & the male threaded bolts, clean, accurate and neat. Once installed, they will make a tight attachment together, and bind the items firmly. - ♛【Multipurpose Hardware】--- No matter if you need it for DIY furniture project or as a replacement parts, our product will be your best helper. They are widely used in furniture like cribs, bed frame, chairs, cabinets，bookcases, wardrobes, workbench and much more. - ♛【Installs in An Instant】--- Making a strong joint is a Breeze. Just make a suitable hole slightly larger than the diameter of the nut rod first, then these set easily installs with the included hex key. Give them a try. ## Technical Specifications | Specification | Value | |---------------|-------| | Head Style | Round, Flat, Socket, Binding, Hex | | Finish Type | Glossy | | Number of Pieces | 25 | | Manufacturer | Mardatt | | UPC | 798789765592 | | Part Number | M-242 | | Item Weight | 6.3 ounces | | Package Dimensions | 4.76 x 4.17 x 1.57 inches | | Item model number | M-HXJBLS | | Finish | Glossy | | Item Package Quantity | 1 | | Measurement System | Metric, Imperial | | Certification | An | | Usage | Metal | | Batteries Included? | No | | Batteries Required? | No | ## Product Details - **Size:** M6x40mm/1.57” - **Color:** Black - **Material:** Zinc - **Brand:** Mardatt - **Fastener Type:** Round, Cap, Bolt, Solid, Female Threaded, Standard ## Images ![12Sets M6x40mm Black Hex Socket Cap Bolts and Barrel Nuts, Crib Bolts Flat Head Binding Bolt Screw Post for Belt Buckle Leather Furniture - Image 1](https://m.media-amazon.com/images/I/71PNGbszAuL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Mardatt 12Sets M6x40mm Black Hex Socket Cap Bolts and Barrel Nuts, Crib Bolts Flat Head Binding Bolt Screw Post for Belt Buckle Leather Furniture - Mywish M8 x 12mm 20Pcs Flat Head Hex Socket Cap Screws Bolts, 304 Stainless Steel Furniture Bolts Full Thread, Black Oxide & Hex Spanner - M6 x 25mm 10Pcs Flat Head Hex Socket Cap Screws Bolts, 304 Stainless Steel 18-8, Full Thread, Black Oxide by SG TZH (with Hex Spanner) --- ## 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/286148635-12sets-m6x40mm-black-hex-socket-cap-bolts-and-barrel-nuts](https://www.desertcart.co.uk/products/286148635-12sets-m6x40mm-black-hex-socket-cap-bolts-and-barrel-nuts) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-30*