{"product_id":"cnc-aluminum-impeller-27mm-38mm-4mm-hole-high-speed-ducted-fan-blade","title":"CNC Aluminum Impeller 27mm\/38mm 4mm Hole High-Speed Ducted Fan","description":"\n\u003ch2\u003eCNC High-Precision Aluminum Impeller – 27mm \/ 38mm | 4mm Center Hole | Up to 100,000 RPM\u003c\/h2\u003e\n\n\u003cp\u003eUpgrade your high-speed ducted fan or hair dryer motor with this \u003cstrong\u003ebrand-new CNC-machined aluminum alloy impeller\u003c\/strong\u003e. Precision-engineered for performance, this impeller delivers exceptional balance and airflow efficiency at extreme rotational speeds — up to \u003cstrong\u003e100,000 RPM\u003c\/strong\u003e. Whether you're replacing a worn component or building a custom high-speed blower, this impeller is the right choice for demanding applications.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Precision CNC Machining:\u003c\/strong\u003e Tight tolerances ensure perfect balance at extreme RPM, minimizing vibration and maximizing airflow output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Aluminum Alloy Construction:\u003c\/strong\u003e Lightweight yet strong — ideal for high-speed rotational applications where every gram matters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in Two Sizes:\u003c\/strong\u003e 27mm and 38mm diameter options to fit a variety of ducted fan and motor configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4mm Center Hole:\u003c\/strong\u003e Standard 4mm shaft bore for easy compatibility with most micro motors and ducted fan assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Model Variants (38mm):\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eModel A:\u003c\/strong\u003e Maximum thickness 8.0mm | Weight approx. 5.1g\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eModel B:\u003c\/strong\u003e Maximum thickness 7.0mm | Weight approx. 4.8g\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOriginally Designed for 40mm Ducted Fan:\u003c\/strong\u003e Drop-in compatible with 40mm EDF (Electric Ducted Fan) units.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExquisite Workmanship:\u003c\/strong\u003e Clean blade edges and smooth finish for consistent, reliable performance at high rotational speeds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSizes Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e27mm \/ 38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCenter Hole Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 100,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy (CNC Machined)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel A Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.0mm (approx. 5.1g)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel B Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.0mm (approx. 4.8g)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm Ducted Fan, High-Speed Micro Motors, Hair Dryer Motors\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Is It Used For?\u003c\/h3\u003e\n\u003cp\u003eThis aluminum impeller is suitable for a wide range of applications including RC model ducted fan assemblies, high-speed blower motors, compact hair dryer repairs and upgrades, custom turbine projects, and micro jet fan builds. Its ultra-light weight and precision CNC balance make it particularly well-suited for any application where rotational speed and airflow efficiency are critical.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-in-1-multi-functional-bone-wrench-hex-socket-spanner-portable-repair-hand-tool-for-bicycle-motorcycle-furniture-assembly\"\u003e10 in 1 Multi Functional Bone Wrench – Portable Repair Hand Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/16-in-1-multi-function-bike-repair-tool-portable-folding-hex-wrench-set-for-bicycle-motorcycle-furniture-maintenance-hand-tools\"\u003e16 in 1 Multi-Function Bike Repair Tool – Folding Hex Wrench Set\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-in-1-precision-eyeglass-screwdriver-keychain-portable-mini-screwdriver-for-glasses-watch-spectacles-repair-hand-tool\"\u003e3-in-1 Precision Eyeglass Screwdriver Keychain – Mini Repair Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What sizes are available for the CNC aluminum impeller?\u003c\/h4\u003e\n\u003cp\u003eA: This impeller is available in two diameters — \u003cstrong\u003e27mm\u003c\/strong\u003e and \u003cstrong\u003e38mm\u003c\/strong\u003e. Both feature a standard \u003cstrong\u003e4mm center hole\u003c\/strong\u003e for shaft compatibility. The 38mm version comes in two variants: Model A (8.0mm thick, ~5.1g) and Model B (7.0mm thick, ~4.8g).\u003c\/p\u003e\n\n\u003ch4\u003eQ: What speed rating is this aluminum impeller designed for?\u003c\/h4\u003e\n\u003cp\u003eA: This CNC-machined aluminum impeller is rated for operation at speeds up to \u003cstrong\u003e100,000 RPM\u003c\/strong\u003e. The precision balancing achieved through CNC machining ensures stable, vibration-free performance even at extreme rotational speeds.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this impeller compatible with 40mm ducted fan units?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 38mm impeller was originally designed for use in \u003cstrong\u003e40mm ducted fan (EDF) assemblies\u003c\/strong\u003e. It also fits high-speed micro motors and compatible hair dryer motor shafts with a 4mm shaft diameter.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material is this impeller made from?\u003c\/h4\u003e\n\u003cp\u003eA: The impeller is crafted from \u003cstrong\u003ehigh-grade aluminum alloy\u003c\/strong\u003e using CNC high-precision machining. This results in a lightweight, strong, and accurately balanced component suitable for demanding high-speed applications.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What sizes are available for the CNC aluminum impeller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This impeller is available in two diameters — 27mm and 38mm. Both feature a standard 4mm center hole for shaft compatibility. The 38mm version comes in two variants: Model A (8.0mm thick, ~5.1g) and Model B (7.0mm thick, ~4.8g).\"}}, {\"@type\": \"Question\", \"name\": \"What speed rating is this aluminum impeller designed for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This CNC-machined aluminum impeller is rated for operation at speeds up to 100,000 RPM. The precision balancing achieved through CNC machining ensures stable, vibration-free performance even at extreme rotational speeds.\"}}, {\"@type\": \"Question\", \"name\": \"Is this impeller compatible with 40mm ducted fan units?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The 38mm impeller was originally designed for use in 40mm ducted fan (EDF) assemblies. It also fits high-speed micro motors and compatible hair dryer motor shafts with a 4mm shaft diameter.\"}}, {\"@type\": \"Question\", \"name\": \"What material is this impeller made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The impeller is crafted from high-grade aluminum alloy using CNC high-precision machining. This results in a lightweight, strong, and accurately balanced component suitable for demanding high-speed applications.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"CNC Aluminum Impeller 27mm\/38mm 4mm Hole High-Speed Ducted Fan\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/products\/cnc-aluminum-impeller-27mm-38mm-4mm-hole-high-speed-ducted-fan-blade\"}]}\u003c\/script\u003e","brand":"VIBE","offers":[{"title":"A-Bevel","offer_id":67712893681891,"sku":"366:100016943#A-Bevel","price":50.51,"currency_code":"USD","in_stock":true},{"title":"B-Plane","offer_id":67712893714659,"sku":"366:201672841#B-Plane","price":50.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/8383\/9203\/files\/Sc7ca252ad031426ebd043986f0831948Q.webp?v=1792165676","url":"https:\/\/vibeshopmart.com\/products\/cnc-aluminum-impeller-27mm-38mm-4mm-hole-high-speed-ducted-fan-blade","provider":"VIBE","version":"1.0","type":"link"}