{"product_id":"m6-furniture-bolts-barrel-nuts-kit-51-piece-hex-socket-allen-key","title":"M6 Furniture Bolts \u0026 Barrel Nuts Kit 51-Piece – Hex Socket Screws with Allen Key for Bed Frames \u0026 Flat-Pack Furniture","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eM6 Furniture Bolts \u0026amp; Barrel Nuts Kit — Complete 51-Piece Set for Bed Frames, Cribs \u0026amp; Flat-Pack Furniture\u003c\/h2\u003e\n    \u003cp\u003eA single missing or stripped bolt can make an entire bed frame unusable — and tracking down the exact replacement hardware from the original manufacturer is rarely straightforward. Whether you're assembling a new crib, replacing worn-out fasteners on a bunk bed, or building flat-pack furniture from scratch, having the right M6 barrel nut hardware on hand saves time and frustration. This kit is built for homeowners, parents, and DIYers who need a reliable, complete set of furniture fasteners without hunting through multiple hardware stores.\u003c\/p\u003e\n    \u003cp\u003eThe 51-piece kit includes five M6 bolt lengths — 40mm, 50mm, 60mm, 70mm, and 80mm (5 pcs each) — plus 25 M6×12mm barrel nuts and one M4 Allen key, all stored in a compartmentalized plastic organizer box. Bolts feature a round head with hex socket (Allen) drive and are machined from zinc-plated carbon steel with clean, burr-free threads. Barrel nut diameter is 12mm, compatible with standard furniture pre-drilled holes.\u003c\/p\u003e\n    \u003cp\u003eUse this set for assembling or repairing cribs, bunk beds, and bed frames that use M6 barrel nut connections, connecting wooden panels in cabinet and wardrobe builds, replacing lost or stripped hardware on flat-pack furniture, and general knock-down furniture joinery where a hidden, re-tightenable connection is needed.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e✅\u003c\/span\u003e\n    Compatible with: M6 Barrel Nut Furniture Joints · Cribs \u0026amp; Bunk Beds · Bed Frames · Cabinets \u0026amp; Wardrobes · Flat-Pack \/ Knock-Down Furniture\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    Designed for indoor furniture assembly. Verify the barrel nut hole diameter (12mm) and bolt thread (M6) match your furniture before ordering. Not for structural load-bearing applications.\n  \u003c\/div\u003e\n\n  \u003cdiv\u003e\n    \u003ch2\u003e✅ Key Features of These M6 Furniture Bolts and Barrel Nuts\u003c\/h2\u003e\n    \u003cul class=\"hdiy-features\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e51-Piece Complete Kit:\u003c\/strong\u003e Five bolt lengths (M6×40 through M6×80mm, 5 pcs each), 25 M6×12mm barrel nuts, and an M4 Allen key — everything needed for assembly or repair in one organized box.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eZinc-Plated Carbon Steel:\u003c\/strong\u003e All bolts and barrel nuts are zinc-plated for corrosion resistance and long-term durability in indoor furniture applications — threads stay clean and re-usable.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eBurr-Free Hex Socket Drive:\u003c\/strong\u003e Round head bolts with M4 Allen key drive and machined burr-free threads engage smoothly with barrel nuts, reducing cross-threading risk during assembly.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eFive Length Options in One Set:\u003c\/strong\u003e 40mm to 80mm coverage handles the most common panel thicknesses in flat-pack furniture — no need to buy separate sets for different connection depths.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eDirect Replacement Hardware:\u003c\/strong\u003e Standard M6 thread and 12mm barrel nut diameter match the factory specifications of most flat-pack cribs, bunk beds, and cabinets — ideal for replacing lost or stripped original hardware.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🗂️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eCompartmentalized Storage Box:\u003c\/strong\u003e Transparent organizer with separate sections for each bolt length and the barrel nuts keeps all 51 pieces sorted and easy to find during assembly.\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eBolt Length\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eM6 × 40mm Round Head Hex Socket Bolt\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eM6 × 50mm Round Head Hex Socket Bolt\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eM6 × 60mm Round Head Hex Socket Bolt\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eM6 × 70mm Round Head Hex Socket Bolt\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eM6 × 80mm Round Head Hex Socket Bolt\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eM6 × 12mm Barrel Nut (Cross Dowel)\u003c\/td\u003e\n\u003ctd\u003e25 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eM4 Allen Key (Hex Wrench)\u003c\/td\u003e\n\u003ctd\u003e1 pc\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCompartmentalized Organizer Box\u003c\/td\u003e\n\u003ctd\u003e1 pc\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd colspan=\"1\"\u003e\u003cstrong\u003eTotal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e51 Pieces\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-usecases\"\u003e\n    \u003ch2\u003e🎯 Who Is This For?\u003c\/h2\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e👶\u003c\/span\u003e\n      \u003cstrong\u003eParents Assembling Cribs \u0026amp; Bunk Beds\u003c\/strong\u003e\n      \u003cp\u003eGet the right M6 barrel nut hardware the first time — no more hunting for replacement bolts when the original kit comes up short or a fastener strips during assembly.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🛏️\u003c\/span\u003e\n      \u003cstrong\u003eBed Frame \u0026amp; Furniture Repair\u003c\/strong\u003e\n      \u003cp\u003eReplace lost, stripped, or corroded bolts on flat-pack bed frames, wardrobes, and cabinets with standard M6 hardware that fits most factory pre-drilled holes.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🔨\u003c\/span\u003e\n      \u003cstrong\u003eDIY Furniture Builders\u003c\/strong\u003e\n      \u003cp\u003eBuilding custom flat-pack or knock-down furniture? The 5-length range covers most panel thickness combinations, and the barrel nuts create clean, hidden joints that can be re-tightened over time.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🏠\u003c\/span\u003e\n      \u003cstrong\u003eHomeowners \u0026amp; Renters\u003c\/strong\u003e\n      \u003cp\u003eKeep a kit on hand for moving day, furniture reassembly, or any flat-pack project where the included hardware is insufficient or gets lost.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📐 Technical Specifications\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eTotal Pieces\u003c\/th\u003e\n\u003ctd\u003e51\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBolt Thread Size\u003c\/th\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBolt Lengths\u003c\/th\u003e\n\u003ctd\u003e40mm, 50mm, 60mm, 70mm, 80mm (5 pcs each)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eRound head, hex socket (Allen) drive\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Size\u003c\/th\u003e\n\u003ctd\u003eM4 hex (Allen key included)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBarrel Nut Size\u003c\/th\u003e\n\u003ctd\u003eM6 × 12mm (25 pcs)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eZinc-plated carbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Condition\u003c\/th\u003e\n\u003ctd\u003eBurr-free, clean engagement\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Furniture\u003c\/th\u003e\n\u003ctd\u003eCribs, bunk beds, bed frames, cabinets, wardrobes, flat-pack furniture\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eCompartmentalized transparent plastic organizer box\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSet Weight\u003c\/th\u003e\n\u003ctd\u003eApprox. 0.44 kg (0.97 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat bolt lengths are included in this M6 furniture bolt kit?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe kit includes 5 bolt lengths: M6×40mm, M6×50mm, M6×60mm, M6×70mm, and M6×80mm, with 5 pieces of each length, plus 25 M6×12mm barrel nuts and 1 M4 hex key — 51 pieces total.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat furniture types are these bolts compatible with?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese M6 furniture bolts and barrel nuts are designed for flat-pack and knock-down furniture including cribs, bunk beds, bed frames, cabinets, wardrobes, bedside tables, and shelving units that use M6 barrel nut connections with a 12mm barrel nut hole.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do barrel nuts work with these bolts?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eBarrel nuts (also called cross dowels) are cylindrical nuts that sit in a pre-drilled hole in the wood panel. The bolt passes through the connecting piece and threads into the barrel nut, creating a strong, hidden joint that can be tightened with an Allen key from the outside — and re-tightened if the joint loosens over time.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eCan these replace lost or stripped bolts on an existing bed frame?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. These are standard M6 furniture bolts and barrel nuts, making them suitable replacements for lost, stripped, or damaged hardware on most flat-pack bed frames, cribs, and cabinets that use M6 barrel nut connections. Verify the barrel nut hole diameter (12mm) matches your furniture before ordering.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat Allen key size is needed for these bolts?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe bolts use an M4 hex socket drive. An M4 Allen key is included in the kit, so no additional tools are required for installation.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat material are these furniture bolts made from?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAll bolts and barrel nuts are made from zinc-plated carbon steel, which provides corrosion resistance and durability for long-term indoor furniture use. The zinc plating also helps threads stay clean and re-usable over multiple assembly and disassembly cycles.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhich bolt length should I choose for my furniture?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eBolt length depends on the combined thickness of the panels being joined. Generally, the bolt should pass fully through the connecting panel and engage at least 10–15mm into the barrel nut. Measure your panel thickness and add the barrel nut engagement depth to determine the correct length. The 5-length range (40–80mm) covers most standard flat-pack furniture configurations.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your quantity above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":50998100820242,"sku":"UKC070","price":10.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/2_327dee69-5319-40e1-a0e6-ecb74d2654cc.webp?v=1764928377","url":"https:\/\/homediyer.com\/products\/m6-furniture-bolts-barrel-nuts-kit-51-piece-hex-socket-allen-key","provider":"HomeDIYer","version":"1.0","type":"link"}