{"product_id":"round-aluminum-sheet-disc-plate-50-300mm","title":"Round Aluminum Sheet Disc Plate 0.5\/1\/1.5\/2~5mm Thick Aluminium Discs 50~300mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eRound Aluminum Disc Plates — Precision-Cut Flat Circles for DIY, Fabrication \u0026amp; Craft Projects\u003c\/h2\u003e\n    \u003cp\u003eWhen a project calls for a flat, round metal blank that fits exactly where you need it, finding the right diameter and thickness in one place can be frustrating. These round aluminum sheet disc plates are stocked in a wide range of sizes specifically for makers, fabricators, and DIY enthusiasts who need a reliable, ready-to-use aluminum circle without custom cutting lead times.\u003c\/p\u003e\n    \u003cp\u003eEach disc is cut from aluminum sheet stock and offered in outer diameters from 50 mm (~2 in) to 300 mm (~11.8 in), with thickness options from 0.5 mm (~0.02 in) to 5 mm (~0.2 in). The flat, smooth faces require minimal prep before use in most applications.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include backing plates for speaker enclosures, blanks for engraving or anodizing, heat-spreader discs in electronics enclosures, cover plates for pipe ends, and decorative medallions in metalwork and craft projects — all scenarios where a round aluminum disc plate in a specific diameter and thickness is the starting point.\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    \u003cstrong\u003eCompatibility note:\u003c\/strong\u003e These discs are unthreaded flat blanks. They are not pre-drilled. Verify the diameter and thickness match your application before ordering. Sizes are listed as Outer Diameter × Thickness.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-features\"\u003e\n    \u003ch2\u003e✅ Key Features of These Round Aluminum Disc Plates\u003c\/h2\u003e\n    \u003cul class=\"hdiy-list\"\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003eWide size range:\u003c\/strong\u003e Outer diameters from 50 mm to 300 mm (approx. 2 in to 11.8 in) and thickness from 0.5 mm to 5 mm — select the exact combination you need from the variant options.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eAluminum construction:\u003c\/strong\u003e Made from aluminum sheet material offering a favorable strength-to-weight ratio, corrosion resistance in typical indoor and sheltered outdoor environments, and ease of cutting, drilling, or machining.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e \u003cstrong\u003eFlat, clean faces:\u003c\/strong\u003e Each disc arrives with flat surfaces suitable for direct use, painting, anodizing, engraving, or bonding without extensive surface prep.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e \u003cstrong\u003eLightweight for its size:\u003c\/strong\u003e Aluminum's low density means even the larger 300 mm discs remain manageable for hand-held assembly and mounting tasks.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e \u003cstrong\u003eMachinable blank:\u003c\/strong\u003e The disc can be center-drilled, tapped, countersunk, or shaped with standard metalworking tools, making it a versatile starting blank for custom parts.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e \u003cstrong\u003eSingle-piece ordering:\u003c\/strong\u003e Each variant is priced and sold per piece (Qty: 1), so you can order exactly the quantity your project requires without committing to bulk packs.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📐 Technical Specifications — Round Aluminum Disc Plate\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum (aluminum alloy sheet)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound \/ circular disc\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eOuter Diameter Range\u003c\/th\u003e\n\u003ctd\u003e50 mm – 300 mm (approx. 2 in – 11.8 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThickness Range\u003c\/th\u003e\n\u003ctd\u003e0.5 mm – 5 mm (approx. 0.02 in – 0.2 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eFlat, mill finish (uncoated)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePre-drilled Holes\u003c\/th\u003e\n\u003ctd\u003eNone — solid blank disc\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThreads \/ Tapping\u003c\/th\u003e\n\u003ctd\u003eNone — unthreaded blank\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eModerate — suitable for dry and sheltered environments; anodizing recommended for prolonged outdoor exposure\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMachinability\u003c\/th\u003e\n\u003ctd\u003eCompatible with standard metalworking tools (drill press, lathe, CNC router)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSold Per\u003c\/th\u003e\n\u003ctd\u003e1 piece (see variant options for size)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Sizes\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\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right diameter for my project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMeasure the opening or mounting area your disc needs to cover or fit into, then select the next size up if you need overlap, or an exact match if it must fit flush inside a recess. All diameters listed are outer diameters. The discs are solid with no center hole, so you can drill to any center dimension you need.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhich thickness should I choose for structural vs. decorative use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eFor purely decorative applications such as engraving blanks or craft medallions, 0.5 mm – 1 mm is typically sufficient and keeps weight low. For load-bearing or structural uses — such as backing plates, cover flanges, or heat spreaders — 2 mm – 5 mm provides meaningfully more rigidity. When in doubt, choose a thicker option; aluminum is easy to thin down with a sander or mill but cannot be added back.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these discs corrosion-resistant for outdoor use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAluminum naturally forms a thin oxide layer that provides moderate corrosion resistance in dry and sheltered outdoor conditions. For prolonged direct exposure to rain, salt spray, or humidity, we recommend applying an anodizing treatment or a compatible outdoor-rated coating after purchase. The bare mill-finish surface is not rated for marine or continuously wet environments without additional treatment.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I drill, cut, or machine these discs?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Aluminum is one of the more machinable metals and works well with standard drill bits, hole saws, jigsaws with metal-cutting blades, lathes, and CNC routers. Use cutting fluid or lubricant when drilling thicker variants (3 mm and above) to extend tool life and achieve cleaner holes. Always clamp the disc securely before machining.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre the discs compatible with anodizing or powder coating?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Aluminum sheet discs are well-suited for both anodizing and powder coating. Anodizing enhances corrosion resistance and allows color dyeing; powder coating adds a durable decorative finish. Both processes require the surface to be clean and free of oils before treatment. The mill finish on these discs can be lightly sanded or degreased prior to finishing.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between the 50 mm and 300 mm discs in terms of weight?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eWeight varies significantly with both diameter and thickness. As a general reference, a 50 mm × 1 mm aluminum disc weighs approximately 5–6 g, while a 300 mm × 5 mm disc can weigh approximately 950–1,000 g (roughly 2.1 lb). If weight is a critical factor for your application, contact us to confirm the specific variant weight before ordering.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these sold in bulk packs or individually?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eEach listing variant is priced and sold per individual piece (Qty: 1). If you need multiple discs of the same or different sizes, simply adjust the quantity in your cart or add multiple variants. For larger volume requirements, contact us to discuss availability.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your Size (Diameter × Thickness) above, then add to cart.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right diameter for my project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the opening or mounting area your disc needs to cover or fit into, then select the next size up if you need overlap, or an exact match if it must fit flush inside a recess. All diameters listed are outer diameters. The discs are solid with no center hole, so you can drill to any center dimension you need.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which thickness should I choose for structural vs. decorative use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For purely decorative applications such as engraving blanks or craft medallions, 0.5 mm to 1 mm is typically sufficient. For load-bearing or structural uses, 2 mm to 5 mm provides meaningfully more rigidity.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these discs corrosion-resistant for outdoor use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Aluminum naturally forms a thin oxide layer that provides moderate corrosion resistance in dry and sheltered outdoor conditions. For prolonged direct exposure to rain, salt spray, or humidity, anodizing or a compatible outdoor-rated coating is recommended.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I drill, cut, or machine these discs?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Aluminum works well with standard drill bits, hole saws, jigsaws with metal-cutting blades, lathes, and CNC routers. Use cutting fluid when drilling thicker variants (3 mm and above).\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are the discs compatible with anodizing or powder coating?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. These aluminum discs are well-suited for both anodizing and powder coating. The surface should be cleaned and degreased prior to any finishing treatment.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between the 50 mm and 300 mm discs in terms of weight?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Weight varies with diameter and thickness. A 50 mm x 1 mm disc weighs approximately 5–6 g, while a 300 mm x 5 mm disc can weigh approximately 950–1,000 g (roughly 2.1 lb). Contact us to confirm specific variant weights.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these sold in bulk packs or individually?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each variant is priced and sold per individual piece (Qty: 1). Adjust the quantity in your cart or add multiple variants for larger orders.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"50mm x 0.5mm \/ 1","offer_id":52378450329874,"sku":"GYZLLLVYUANBANWWZZ1x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"50mm x 1mm \/ 1","offer_id":52378450362642,"sku":"GYZLLLVYUANBANWWZZ2x1","price":2.24,"currency_code":"USD","in_stock":true},{"title":"50mm x 1.5mm \/ 1","offer_id":52378450395410,"sku":"GYZLLLVYUANBANWWZZ3x1","price":2.24,"currency_code":"USD","in_stock":true},{"title":"50mm x 2mm \/ 1","offer_id":52378450428178,"sku":"GYZLLLVYUANBANWWZZ4x1","price":2.24,"currency_code":"USD","in_stock":true},{"title":"50mm x 3mm \/ 1","offer_id":52378450460946,"sku":"GYZLLLVYUANBANWWZZ5x1","price":2.38,"currency_code":"USD","in_stock":true},{"title":"50mm x 4mm \/ 1","offer_id":52378450493714,"sku":"GYZLLLVYUANBANWWZZ6x1","price":2.65,"currency_code":"USD","in_stock":true},{"title":"50mm x 5mm \/ 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