{"product_id":"m8-m10-thumb-screws-plastic-knobs-bolt-red-torx-thumbscrew-48","title":"M8 M10 Thumb Screws 8mm 10mm Plastic Knobs Bolt Red Torx-shaped Thumbscrew 48#","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eM8 \u0026amp; M10 Plastic Thumb Screws — Tool-Free Fastening with a Secure Torx-Star Grip\u003c\/h2\u003e\n\u003cp\u003eWhen you need to repeatedly adjust, remove, or secure panels, enclosures, or fixtures without reaching for a screwdriver, standard bolts become a daily frustration. These M8 and M10 plastic thumb screws are designed for makers, machine builders, and DIY enthusiasts who need reliable hand-tightened fastening in metric thread sizes.\u003c\/p\u003e\n\u003cp\u003eEach thumb screw pairs a galvanized steel metric bolt — available in M8 or M10 thread diameter and lengths ranging from 20 mm (~0.79 in) to 60 mm (~2.36 in) — with a red ABS plastic 7-pointed star knob head (48# size). The closed-end knob provides a comfortable grip surface and a clean finished appearance.\u003c\/p\u003e\n\u003cp\u003eTypical applications include 3D printer frame adjustments, CNC enclosure panels, electrical cabinet access covers, jig and fixture setups, and any hand-assembly workflow where tool-free thumb screw fastening saves time on repeated access points.\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:\u003c\/strong\u003e Metric thread system (M8 or M10). Fits standard M8 and M10 threaded holes, inserts, and nuts. Thread pitch is standard coarse metric. Verify your clearance hole and thread depth before ordering.\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Plastic Thumb Screws\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔴\u003c\/span\u003e \u003cstrong\u003eRed 7-Pointed Star Knob Head:\u003c\/strong\u003e The distinctive 48# torx-star profile distributes finger pressure across seven contact points, reducing fatigue during repeated hand-tightening cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eGalvanized Steel Bolt Shank:\u003c\/strong\u003e The metal shank carries the clamping load while the plastic knob provides the grip interface — combining corrosion resistance with comfortable hand operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e \u003cstrong\u003eTwo Thread Diameters, Multiple Lengths:\u003c\/strong\u003e M8 variants available in 30 mm and 50 mm; M10 variants in 20, 30, 40, 50, and 60 mm — covering a wide range of grip depths in a single product family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔒\u003c\/span\u003e \u003cstrong\u003eClosed-End Knob Design:\u003c\/strong\u003e The enclosed top prevents debris ingress into the knob cavity and gives a finished, professional appearance on visible fastener locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e \u003cstrong\u003eTool-Free Installation and Removal:\u003c\/strong\u003e Hand-tighten and loosen without any tools — ideal for access panels, inspection covers, and adjustable fixtures that require frequent opening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e \u003cstrong\u003eFlexible Pack Quantities:\u003c\/strong\u003e Available in 1, 2, 5, 10, or 20-piece packs — order exactly what your project requires without overstocking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Plastic Thumb Screws\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial — Knob\u003c\/th\u003e\n\u003ctd\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial — Shank\u003c\/th\u003e\n\u003ctd\u003eGalvanized Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eMetric (ISO coarse)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Diameter Options\u003c\/th\u003e\n\u003ctd\u003eM8, M10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Options\u003c\/th\u003e\n\u003ctd\u003e20 mm, 30 mm, 40 mm, 50 mm, 60 mm (varies by diameter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnob Head Style\u003c\/th\u003e\n\u003ctd\u003e7-Pointed Star (Torx-shaped)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnob Size\u003c\/th\u003e\n\u003ctd\u003e48#\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnob Color\u003c\/th\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnd Type\u003c\/th\u003e\n\u003ctd\u003eClosed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eGalvanized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSystem of Measurement\u003c\/th\u003e\n\u003ctd\u003eMetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity Options\u003c\/th\u003e\n\u003ctd\u003e1, 2, 5, 10, 20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnob Outer Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Assembled Length\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\u003eHow do I choose between M8 and M10 for my application?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMatch the thread diameter to your existing threaded hole or insert. M8 has an 8 mm nominal thread diameter and is common in lighter-duty fixtures, 3D printer frames, and enclosure panels. M10 is larger and suited to heavier assemblies, machine guards, and structural jigs. If you are tapping a new hole, check your material thickness — M10 requires a slightly larger clearance hole (typically 10.5 mm) compared to M8 (typically 8.5 mm).\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat length should I select?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMeasure the total grip length — the combined thickness of all materials being clamped. Add 1–2 thread pitches of engagement beyond the last clamped layer. For M8 coarse thread (1.25 mm pitch), aim for at least 8–10 mm of thread engagement in metal; for M10 (1.5 mm pitch), aim for 10–12 mm. If you are threading into a nut or insert, the nut height determines minimum engagement.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these thumb screws strong enough for structural use?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe galvanized steel shank provides the clamping strength — the plastic knob is the grip interface only and does not carry shear or tensile load. These fasteners are appropriate for panel retention, access covers, and adjustable fixtures where hand-tightening torque is sufficient. They are not rated for high-vibration structural joints or safety-critical load paths where a torque-specified fastener is required.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill the galvanized finish resist rust in damp environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eGalvanizing provides a zinc coating that offers moderate corrosion resistance suitable for indoor and sheltered outdoor use. In continuously wet, salt-spray, or chemically aggressive environments, the zinc layer will eventually deplete. For those conditions, consider stainless steel alternatives. For typical workshop, garage, or light industrial use, the galvanized finish performs reliably.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these with standard M8 or M10 hex nuts and washers?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The bolt shank uses standard ISO metric coarse thread, so it is fully compatible with any standard M8 or M10 hex nut, flange nut, wing nut, or washer. You can also thread them into standard M8 or M10 threaded inserts, weld nuts, or tapped holes in metal, wood, or plastic.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow many pieces should I order for a typical project?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eFor a single access panel with four corners, a 5-piece pack gives you four fasteners plus one spare. For a full enclosure with multiple panels, the 10 or 20-piece packs offer a lower per-unit cost. The 1 and 2-piece options are useful for replacement of a single worn or lost fastener without committing to a larger quantity.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the red knob color UV-stable for outdoor use?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eABS plastic can experience color fading and surface chalking with prolonged direct UV exposure. For applications in direct sunlight over extended periods, consider adding a UV-protective coating or selecting a sheltered mounting location. For indoor, cabinet, or shaded outdoor use, the color stability is adequate for typical service life.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-cta\"\u003e\n🛒 Select your Thread Dia and Qty 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 between M8 and M10 for my application?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the thread diameter to your existing threaded hole or insert. M8 has an 8 mm nominal thread diameter and is common in lighter-duty fixtures, 3D printer frames, and enclosure panels. M10 is larger and suited to heavier assemblies, machine guards, and structural jigs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What length should I select?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the total grip length — the combined thickness of all materials being clamped. Add 1–2 thread pitches of engagement beyond the last clamped layer. For M8 coarse thread, aim for at least 8–10 mm of thread engagement in metal; for M10, aim for 10–12 mm.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these thumb screws strong enough for structural use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The galvanized steel shank provides the clamping strength. These fasteners are appropriate for panel retention, access covers, and adjustable fixtures where hand-tightening torque is sufficient. They are not rated for high-vibration structural joints or safety-critical load paths.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will the galvanized finish resist rust in damp environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Galvanizing provides a zinc coating that offers moderate corrosion resistance suitable for indoor and sheltered outdoor use. In continuously wet, salt-spray, or chemically aggressive environments, the zinc layer will eventually deplete.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these with standard M8 or M10 hex nuts and washers?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The bolt shank uses standard ISO metric coarse thread, fully compatible with any standard M8 or M10 hex nut, flange nut, wing nut, or washer, as well as threaded inserts, weld nuts, or tapped holes in metal, wood, or plastic.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many pieces should I order for a typical project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For a single access panel with four corners, a 5-piece pack gives you four fasteners plus one spare. For a full enclosure with multiple panels, the 10 or 20-piece packs offer a lower per-unit cost.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the red knob color UV-stable for outdoor use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"ABS plastic can experience color fading and surface chalking with prolonged direct UV exposure. For indoor, cabinet, or shaded outdoor use, the color stability is adequate for typical service life.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"M8*30(48#) \/ 1 pcs","offer_id":52300483723538,"sku":"SSJWGDLCWJ0257x1","price":4.84,"currency_code":"USD","in_stock":false},{"title":"M8*50(48#) \/ 1 pcs","offer_id":52300483756306,"sku":"SSJWGDLCWJ0258x1","price":5.51,"currency_code":"USD","in_stock":false},{"title":"M10*20(48#) \/ 1 pcs","offer_id":52300483789074,"sku":"SSJWGDLCWJ0259x1","price":6.09,"currency_code":"USD","in_stock":false},{"title":"M10*30(48#) \/ 1 pcs","offer_id":52300483821842,"sku":"SSJWGDLCWJ0260x1","price":6.38,"currency_code":"USD","in_stock":false},{"title":"M10*40(48#) \/ 1 pcs","offer_id":52300483854610,"sku":"SSJWGDLCWJ0261x1","price":6.68,"currency_code":"USD","in_stock":false},{"title":"M10*50(48#) \/ 1 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