{"product_id":"m3x10mm-anodised-aluminium-knurled-thumb-screws-flat-head","title":"M3×10mm Anodised Aluminium Knurled Thumb Screws – Flat Head Hand Grip Bolts, 10 Colors","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eM3×10mm Knurled Thumb Screws — Anodised Aluminium Flat Head for Tool-Free Panel Fastening\u003c\/h2\u003e\n\u003cp\u003eIf you've ever struggled to tighten or remove a panel screw in a tight space without a screwdriver, you know the frustration. These M3×10mm anodised aluminium knurled thumb screws are built for makers, electronics hobbyists, PC builders, and workshop professionals who need fast, repeatable, tool-free fastening with a clean, finished look.\u003c\/p\u003e\n\u003cp\u003eEach screw is machined from aluminium alloy and finished with an anodised coating available in 10 colors. The flat head profile sits flush or slightly proud of the surface, and the knurled grip ring provides enough friction for firm hand-tightening. Thread size is M3 with a length of 10mm (≈3\/8\"). Available in packs of 1, 4, 10, 20, 50, or 100 pieces to suit single repairs through bulk workshop stocking.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include custom mechanical keyboard builds (securing switch plates and cases), DIY electronics enclosures and project boxes, RC car and drone body panel fastening, 3D printer frame assembly, and any application where frequent access panels need tool-free removal. These knurled thumb screws for electronics panels are a go-to choice for clean, repeatable assembly.\u003c\/p\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e These are M3 metric thread screws. Please confirm your mating thread is M3 before ordering. If you are unsure of your thread size, contact us to confirm compatibility.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔩\u003c\/span\u003e Compatible with standard M3 metric threaded holes, brass inserts, and M3 hex nuts. Not compatible with imperial (UNC\/UNF) threads.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These M3 Knurled Thumb Screws\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✋\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eKnurled Grip Head\u003c\/strong\u003e — The textured knurl pattern around the flat head allows firm finger-tightening without slipping, ideal for tool-free thumb screw installation in enclosures and panels.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e10 Anodised Colors\u003c\/strong\u003e — Choose from Red Wine, Pink, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple, or Brown \u0026amp; Orange to match your build aesthetic or color-code your fasteners.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLightweight Aluminium Alloy\u003c\/strong\u003e — Aluminium construction keeps weight low — a key advantage for RC models, drones, and portable electronics where every gram counts.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eAnodised Corrosion Resistance\u003c\/strong\u003e — The anodised surface layer improves resistance to oxidation and light corrosion compared to bare aluminium, extending service life in typical indoor workshop environments.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlat Head Profile\u003c\/strong\u003e — The flat head design sits flush or slightly proud of the mating surface, making these anodised flat head thumb bolts suitable for panels where a low-profile fastener is needed.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e — Order from 1 to 100 pieces in a single SKU. Bulk packs of 50 or 100 offer the best per-unit value for workshops, makerspaces, and production runs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — M3 Aluminium Thumb Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003ctd\u003eM3 (Metric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Pitch\u003c\/th\u003e\n\u003ctd\u003eTypically 0.5mm (standard M3 coarse pitch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eScrew Length\u003c\/th\u003e\n\u003ctd\u003e10mm (≈3\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eFlat \/ Knurled Thumb Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003eHand-tighten (no tool required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminium Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eAnodised (10 colors available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantities\u003c\/th\u003e\n\u003ctd\u003e1 \/ 4 \/ 10 \/ 20 \/ 50 \/ 100 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eISO Metric (M3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSuitable For\u003c\/th\u003e\n\u003ctd\u003ePanels, enclosures, keyboards, RC models, 3D printers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right length for M3 thumb screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese screws are M3×10mm (≈3\/8\" length). As a general rule, the engaged thread length should be at least 1.5× the screw diameter — for M3 that means at least 4.5mm of thread engagement. Measure your panel or bracket thickness and ensure the screw protrudes enough to grip the mating thread fully without bottoming out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat load or clamping force can these thumb screws handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAluminium thumb screws are generally suited for light-duty panel fastening, enclosure assembly, and hand-tightened applications. They are not typically rated for high-torque or structural load-bearing use. For heavy clamping, consider stainless steel alternatives.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these thumb screws suitable for outdoor or humid environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe anodised coating provides a layer of corrosion resistance compared to bare aluminium, making these screws generally suitable for light indoor-outdoor use. For prolonged exposure to moisture, salt spray, or harsh chemicals, additional protection or stainless steel fasteners are recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thread standard do these use — metric or imperial?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese are M3 metric thread screws with a standard pitch of typically 0.5mm. They are compatible with M3 metric threaded holes, inserts, and nuts. They are \u003cstrong\u003enot\u003c\/strong\u003e compatible with imperial (UNC\/UNF) threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need any tools to install these thumb screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo tools are required. The knurled flat head is designed for hand-tightening. The textured grip surface allows firm finger torque for most panel and enclosure applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich color should I choose for my build?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eWe offer 10 anodised colors: Red Wine, Pink, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple, and Brown \u0026amp; Orange. Black and Silver are the most popular for electronics and PC builds. Colored options are great for custom mechanical keyboards, RC models, and maker projects where aesthetics matter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat pack size should I order?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eWe offer packs of 1, 4, 10, 20, 50, and 100 pieces. For a single repair or prototype, 1–4 pcs is sufficient. For a full keyboard build or enclosure project, 10–20 pcs is typically enough. The 50 and 100 pcs packs offer the best per-unit value for workshops or bulk projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your color and pack quantity above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M3x10mm \/ Red wine \/ 1pcs","offer_id":52292989944082,"sku":"WZYGLBZSJ090854x1","price":1.35,"currency_code":"USD","in_stock":true},{"title":"M3x10mm \/ Pink \/ 1pcs","offer_id":52292989976850,"sku":"WZYGLBZSJ090855x1","price":1.35,"currency_code":"USD","in_stock":true},{"title":"M3x10mm \/ Golden \/ 1pcs","offer_id":52292990009618,"sku":"WZYGLBZSJ090856x1","price":1.35,"currency_code":"USD","in_stock":true},{"title":"M3x10mm \/ Royal blue \/ 1pcs","offer_id":52292990042386,"sku":"WZYGLBZSJ090857x1","price":1.35,"currency_code":"USD","in_stock":true},{"title":"M3x10mm \/ Sky blue \/ 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