{"product_id":"m2-m8-aluminum-alloy-cone-cup-head-washers-anodized-load-spreading-gaskets","title":"M2–M8 Aluminum Alloy Cone Cup Head Washers – Anodized Load-Spreading Gaskets","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eM2–M8 Anodized Aluminum Cone Cup Head Washers — Lightweight Load Distribution in Vivid Color\u003c\/h2\u003e\n    \u003cp\u003eStandard steel washers add unnecessary weight and corrode over time — a real problem when you’re building precision aluminum frames, RC aircraft, or high-end bicycle components. These aluminum alloy cone cup head washers are engineered to spread fastener load evenly while keeping your build light, corrosion-free, and visually sharp.\u003c\/p\u003e\n    \u003cp\u003eMachined from high-strength aluminum alloy and finished with a durable anodized coating, each washer features a cone cup head profile that seats cleanly under bolt heads and screws. Available in thread sizes M2 through M8 (approximately 0.08” to 0.31”) and five anodized color options, with a manufacturing tolerance of ±0.3mm for consistent fit.\u003c\/p\u003e\n    \u003cp\u003eThese washers are ideal for aluminum bicycle frame assembly, drone and RC model builds, computer case modding, mold tooling fixtures, and any precision project where weight savings, corrosion resistance, and color coordination are priorities.\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 M2, M2.5, M3, M4, M5, M6, and M8 fasteners; suitable for aluminum alloy, plastic, and lightweight structural assemblies. Tolerance: ±0.3mm.\n  \u003c\/div\u003e\n\n  \u003cdiv\u003e\n    \u003ch2\u003e✅ Key Features of These Aluminum Cone Cup Head Washers\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\u003eHigh-Strength Aluminum Alloy Construction:\u003c\/strong\u003e Heat-treatable alloy delivers excellent mechanical performance, good wear resistance, and outstanding corrosion and oxidation resistance for long-lasting durability.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e5 Anodized Color Options:\u003c\/strong\u003e Available in Blue, Red, Black, Yellow, and Aluminum (natural) — perfect for color-matched builds and custom aesthetics across any project.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e7 Size Options (M2–M8):\u003c\/strong\u003e Covers a wide range of fastener diameters — M2, M2.5, M3, M4, M5, M6, and M8 — for versatile use across multiple project types and bolt sizes.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eCone Cup Head Profile:\u003c\/strong\u003e The tapered cone cup design seats cleanly under bolt heads and screws, distributing clamping load evenly to protect soft aluminum and plastic surfaces from damage.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eDurable Anodized Surface Treatment:\u003c\/strong\u003e The anodized finish integrates into the aluminum surface for a hard, color-fast layer that resists scratching, fading, and oxidation under normal use conditions.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003ePrecision Machined to ±0.3mm Tolerance:\u003c\/strong\u003e Consistent dimensions across all size variants ensure reliable fit and proper seating with standard metric fasteners.\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\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\u003eBicycle \u0026amp; Cycling Builders\u003c\/strong\u003e\n      \u003cp\u003eIdeal for high-end aluminum alloy bicycle frame assembly where lightweight fastener hardware and visual appeal are equally important.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e✈️\u003c\/span\u003e\n      \u003cstrong\u003eRC \u0026amp; Drone Enthusiasts\u003c\/strong\u003e\n      \u003cp\u003eThe lightweight aluminum construction makes these washers a natural fit for aerospace models, RC aircraft, and drone frames where minimizing weight is critical.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🖥️\u003c\/span\u003e\n      \u003cstrong\u003ePC Modders \u0026amp; Electronics Builders\u003c\/strong\u003e\n      \u003cp\u003eAdd a pop of color to custom computer cases, cooling systems, and electronics enclosures with anodized washers that complement your build’s color scheme.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🔨\u003c\/span\u003e\n      \u003cstrong\u003eDIY Makers \u0026amp; Precision Fabricators\u003c\/strong\u003e\n      \u003cp\u003eSuitable for mold processing, mechanical equipment assembly, and any project requiring corrosion-resistant, lightweight load-spreading hardware with a clean finish.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Sizes (Thread Diameter)\u003c\/th\u003e\n\u003ctd\u003eM2, M2.5, M3, M4, M5, M6, M8\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eCone Cup Head\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Treatment\u003c\/th\u003e\n\u003ctd\u003eAnodized\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Colors\u003c\/th\u003e\n\u003ctd\u003eBlue, Red, Black, Yellow, Aluminum Color (Natural)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTolerance\u003c\/th\u003e\n\u003ctd\u003e±0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAlloy Properties\u003c\/th\u003e\n\u003ctd\u003eHigh strength, heat treatable, good mechanical performance, wear resistant, corrosion resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003eSee variant options\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 material are these washers made from?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese washers are machined from high-strength aluminum alloy and finished with an anodized coating. The anodized surface provides a hard, color-fast layer that resists corrosion, scratching, and oxidation.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat sizes are available?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese washers are available in M2, M2.5, M3, M4, M5, M6, and M8 thread diameter sizes. Select your preferred color and size combination from the variant options above.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is a cone cup head washer and how does it work?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA cone cup head washer features a tapered, conical profile that seats cleanly under a bolt head or screw. This shape distributes the clamping load over a wider surface area, helping to protect softer materials like aluminum and plastic from being damaged or deformed by fastener pressure.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these washers suitable for outdoor use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe anodized aluminum construction offers good corrosion resistance, making these washers generally suitable for light outdoor applications. For prolonged exposure to harsh weather or saltwater environments, additional protection may be advisable.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the manufacturing tolerance on these washers?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese washers are manufactured to a tolerance of ±0.3mm, ensuring consistent dimensions and reliable fit with standard metric fasteners across all size variants.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWill the color fade over time?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe anodized finish is integrated into the surface of the aluminum rather than applied as a paint or coating, which means it is generally more resistant to fading and chipping than painted alternatives under normal use conditions.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these washers with steel bolts?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes, these aluminum washers are compatible with standard metric steel bolts in the corresponding M2–M8 sizes. Keep in mind that aluminum is softer than steel, so they are best suited for applications where load levels are within the alloy’s mechanical limits.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Color and Size (Thread Diameter) above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Blue \/ M2","offer_id":51330456420626,"sku":"LRP15591x1","price":5.76,"currency_code":"USD","in_stock":true},{"title":"Red \/ M2","offer_id":51330456453394,"sku":"LRP15592x1","price":5.76,"currency_code":"USD","in_stock":true},{"title":"Black \/ M2","offer_id":51330456486162,"sku":"LRP15593x1","price":5.76,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ M2","offer_id":51330456518930,"sku":"LRP15594x1","price":5.76,"currency_code":"USD","in_stock":true},{"title":"Aluminum Color \/ 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