{"product_id":"m10-plastic-five-star-thumb-screws-25-80mm","title":"M10 Plastic Five‑Star Thumb Screws – Hand Clamping Knob Bolts, 25‑80mm Lengths (Black)","description":"\u003cstyle\u003e\n  \/* 所有样式使用 .hdiy- 前缀，仅作用于本区块，兼容移动端 *\/\n  .hdiy-thumb-block {\n    max-width: 100%;\n    margin: 0;\n    padding: 0;\n    box-sizing: border-box;\n  }\n  .hdiy-thumb-block .hdiy-section {\n    margin-bottom: 2rem;\n  }\n  .hdiy-thumb-block h2, \n  .hdiy-thumb-block h3 {\n    margin: 0 0 0.75rem 0;\n    font-weight: 600;\n  }\n  .hdiy-thumb-block .hdiy-feature-list {\n    list-style: none;\n    padding: 0;\n    margin: 0;\n  }\n  .hdiy-thumb-block .hdiy-feature-list li {\n    padding-left: 1.5rem;\n    position: relative;\n    margin-bottom: 0.75rem;\n    line-height: 1.4;\n  }\n  .hdiy-thumb-block .hdiy-feature-list li::before {\n    content: \"✓\";\n    position: absolute;\n    left: 0;\n    color: #2a7f2a;\n    font-weight: bold;\n  }\n  .hdiy-thumb-block .hdiy-specs-wrapper {\n    overflow-x: auto;\n    -webkit-overflow-scrolling: touch;\n  }\n  .hdiy-thumb-block .hdiy-specs-table {\n    width: 100%;\n    min-width: 480px;\n    border-collapse: collapse;\n    background: #f8f8f8;\n    border-radius: 8px;\n    overflow: hidden;\n  }\n  .hdiy-thumb-block .hdiy-specs-table th,\n  .hdiy-thumb-block .hdiy-specs-table td {\n    border: 1px solid #ddd;\n    padding: 10px 12px;\n    text-align: left;\n    vertical-align: top;\n  }\n  .hdiy-thumb-block .hdiy-specs-table th {\n    background: #eaeaea;\n    font-weight: 600;\n    width: 34%;\n  }\n  .hdiy-thumb-block .hdiy-faq-item {\n    margin-bottom: 1.25rem;\n    border-bottom: 1px solid #eee;\n    padding-bottom: 0.75rem;\n  }\n  .hdiy-thumb-block .hdiy-faq-question {\n    font-weight: 700;\n    margin-bottom: 0.4rem;\n    display: flex;\n    align-items: center;\n    gap: 0.5rem;\n  }\n  .hdiy-thumb-block .hdiy-faq-question::before {\n    content: \"❓\";\n    font-size: 1rem;\n  }\n  .hdiy-thumb-block .hdiy-faq-answer {\n    margin: 0;\n    padding-left: 1.8rem;\n    line-height: 1.45;\n    color: #2c2c2c;\n  }\n  @media (max-width: 768px) {\n    .hdiy-thumb-block .hdiy-specs-table th,\n    .hdiy-thumb-block .hdiy-specs-table td {\n      padding: 8px 10px;\n    }\n    .hdiy-thumb-block .hdiy-faq-question {\n      font-size: 0.95rem;\n    }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"hdiy-thumb-block\"\u003e\n  \n  \u003c!-- 产品概述 --\u003e\n  \u003cdiv class=\"hdiy-section\"\u003e\n    \u003ch2\u003e🖐️ M10 Plastic Five‑Star Thumb Screws – Hand Clamping Knob Bolts, 25‑80mm Lengths\u003c\/h2\u003e\n    \u003cp\u003eIf you’re constantly reaching for a wrench to adjust machine guards, jigs, or equipment panels, these plastic star‑head thumb screws will save you time and frustration. The five‑star (knob) head gives you plenty of leverage for hand tightening, and the M10 carbon steel threaded rod is available in lengths from 25mm up to 80mm. The head is made from tough black plastic with a comfortable grip, and the steel screw is galvanized for rust resistance. Whether you need to frequently access electronic enclosures, adjust conveyor belt guides, or secure temporary fixtures, these hand clamping knob bolts let you do it tool‑free.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 产品特点（SEO友好） --\u003e\n  \u003cdiv class=\"hdiy-section\"\u003e\n    \u003ch3\u003e✨ Why Choose These Plastic Five‑Star Hand Knob Bolts\u003c\/h3\u003e\n    \u003cul class=\"hdiy-feature-list\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eTool‑free manual operation\u003c\/strong\u003e – The star‑shaped plastic head provides excellent finger grip, so you can tighten or loosen these thumb screws instantly without any tools.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDurable plastic + carbon steel build\u003c\/strong\u003e – Head is high‑quality black plastic with good toughness and impact resistance. Screw is carbon steel with galvanized finish – high hardness, rust‑proof, and sturdy.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWide length range (25–80mm)\u003c\/strong\u003e – Choose exactly what you need: 25, 30, 35, 40, 45, 50, 60, 70, or 80mm thread length. Perfect for thin panels or thick mounting blocks.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eClean, precise M10 threads\u003c\/strong\u003e – Even pitch and neat thread profile for consistent tightening force and smooth engagement with standard M10 nuts or tapped holes.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eErgonomic 50mm head diameter\u003c\/strong\u003e – Large enough for a solid grip, but not bulky. The five‑star shape naturally fits your hand.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMade for frequent adjustments\u003c\/strong\u003e – Ideal for electronics, machinery access panels, jigs, and any spot where you open and close regularly.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 规格参数表格（可横向滚动） --\u003e\n  \u003cdiv class=\"hdiy-section\"\u003e\n    \u003ch3\u003e📏 Technical Specifications – M10 Thumb Screws with Star Knob Head\u003c\/h3\u003e\n    \u003cdiv class=\"hdiy-specs-wrapper\"\u003e\n      \u003ctable class=\"hdiy-specs-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eFive‑star \/ Star knob head (plastic) – manual grip\n        \u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Material\u003c\/th\u003e\n\u003ctd\u003eHigh quality plastic (plywood grade, tough \u0026amp; impact resistant)\n        \u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e50mm\n        \u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eScrew Material\u003c\/th\u003e\n\u003ctd\u003eCarbon steel, galvanized surface (rust‑proof, high hardness)\n        \u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003ctd\u003eM10 (metric, 10mm diameter)\n        \u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Length Options\u003c\/th\u003e\n\u003ctd\u003e25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 80mm (select from dropdown)\n        \u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003eManual \/ hand tightening only – no tools needed\n        \u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSystem of Measurement\u003c\/th\u003e\n\u003ctd\u003eMetric\n        \u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBlack (head) + silver galvanized screw\n        \u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eChina\n        \u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eThumb screw \/ hand clamping knob bolt\n        \u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 常见问题 FAQ（全部展开，无折叠） --\u003e\n  \u003cdiv class=\"hdiy-section\"\u003e\n    \u003ch3\u003e❔ Frequently Asked Questions\u003c\/h3\u003e\n    \n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cdiv class=\"hdiy-faq-question\"\u003eCan I use these outdoors? Will the plastic head crack in the sun?\u003c\/div\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eThe plastic head is made from tough, impact‑resistant material that holds up well in indoor and covered outdoor environments. For continuous direct sunlight (UV exposure), the plastic may eventually become brittle over years of use – but for most workshop, garage, or indoor machinery applications, it’s perfectly fine. The carbon steel screw is galvanized, so it resists rust in normal conditions.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cdiv class=\"hdiy-faq-question\"\u003eWhat’s the maximum torque I can apply by hand?\u003c\/div\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eThese are designed for hand tightening only. The five‑star shape gives you good leverage, but the plastic head is not meant for wrenches or pliers. Typical hand torque (about 5–8 Nm) is sufficient for most clamping tasks like securing access covers, light machinery guards, or jig stops. If you need high clamping force, use a steel hex bolt instead.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cdiv class=\"hdiy-faq-question\"\u003eDo these come with matching M10 nuts or washers?\u003c\/div\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eThis listing includes the thumb screw only. However, M10 nuts, lock washers, and flat washers are standard hardware store items. If you need a complete set, contact our customer service – we can add nuts to your order for a small extra charge.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cdiv class=\"hdiy-faq-question\"\u003eHow do I choose the correct thread length for my panel?\u003c\/div\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eMeasure the total thickness of the material you’re clamping (panel + any washers). Pick a thread length that’s at least 2‑3mm longer than that thickness so you can fully engage a nut or have enough thread bite into a tapped hole. For example: a 20mm thick panel works well with a 25mm thread length. We offer lengths from 25mm up to 80mm.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cdiv class=\"hdiy-faq-question\"\u003eAre these threads compatible with standard M10 nuts?\u003c\/div\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eYes, the thread is standard metric M10 (coarse pitch, typically 1.5mm). They fit perfectly with any standard M10 nut or tapped hole. The threads are clean and evenly pitched for smooth engagement.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cdiv class=\"hdiy-faq-question\"\u003eCan I get other colors besides black?\u003c\/div\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eCurrently this model is only available with a black plastic head. The carbon steel screw is silver galvanized. If you need color‑coded heads, check our other listings for aluminum thumb screws with anodized colors.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M10x25mm \/ 1 pcs","offer_id":52292603642130,"sku":"GLFBNHHGLBZSJ094685x1","price":11.22,"currency_code":"USD","in_stock":true},{"title":"M10x30mm \/ 1 pcs","offer_id":52292603674898,"sku":"GLFBNHHGLBZSJ094686x1","price":11.49,"currency_code":"USD","in_stock":true},{"title":"M10x35mm \/ 1 pcs","offer_id":52292603707666,"sku":"GLFBNHHGLBZSJ094687x1","price":11.76,"currency_code":"USD","in_stock":true},{"title":"M10x40mm \/ 1 pcs","offer_id":52292603740434,"sku":"GLFBNHHGLBZSJ094688x1","price":12.04,"currency_code":"USD","in_stock":true},{"title":"M10x45mm \/ 1 pcs","offer_id":52292603773202,"sku":"GLFBNHHGMWJ0648x1","price":12.23,"currency_code":"USD","in_stock":true},{"title":"M10x50mm \/ 1 pcs","offer_id":52292603805970,"sku":"GLFBNHHGLBZSJ094689x1","price":12.91,"currency_code":"USD","in_stock":true},{"title":"M10x60mm \/ 1 pcs","offer_id":52292603838738,"sku":"GLFBNHHGMWJ0649x1","price":13.26,"currency_code":"USD","in_stock":true},{"title":"M10x70mm \/ 1 pcs","offer_id":52292603871506,"sku":"GLFBNHHGMWJ0650x1","price":14.13,"currency_code":"USD","in_stock":true},{"title":"M10x80mm \/ 1 pcs","offer_id":52292603904274,"sku":"GLFBNHHGMWJ0651x1","price":14.95,"currency_code":"USD","in_stock":true},{"title":"M10x25mm \/ 2 pcs","offer_id":52292603937042,"sku":"GLFBNHHGLBZSJ094685x2","price":20.25,"currency_code":"USD","in_stock":true},{"title":"M10x30mm \/ 2 pcs","offer_id":52292603969810,"sku":"GLFBNHHGLBZSJ094686x2","price":20.79,"currency_code":"USD","in_stock":true},{"title":"M10x35mm \/ 2 pcs","offer_id":52292604002578,"sku":"GLFBNHHGLBZSJ094687x2","price":21.42,"currency_code":"USD","in_stock":true},{"title":"M10x40mm \/ 2 pcs","offer_id":52292604035346,"sku":"GLFBNHHGLBZSJ094688x2","price":21.96,"currency_code":"USD","in_stock":true},{"title":"M10x45mm \/ 2 pcs","offer_id":52292604068114,"sku":"GLFBNHHGMWJ0648x2","price":22.43,"currency_code":"USD","in_stock":true},{"title":"M10x50mm \/ 2 pcs","offer_id":52292604100882,"sku":"GLFBNHHGLBZSJ094689x2","price":23.79,"currency_code":"USD","in_stock":true},{"title":"M10x60mm \/ 2 pcs","offer_id":52292604133650,"sku":"GLFBNHHGMWJ0649x2","price":24.47,"currency_code":"USD","in_stock":true},{"title":"M10x70mm \/ 2 pcs","offer_id":52292604166418,"sku":"GLFBNHHGMWJ0650x2","price":26.1,"currency_code":"USD","in_stock":true},{"title":"M10x80mm \/ 2 pcs","offer_id":52292604199186,"sku":"GLFBNHHGMWJ0651x2","price":27.73,"currency_code":"USD","in_stock":true},{"title":"M10x25mm \/ 4 pcs","offer_id":52292604231954,"sku":"GLFBNHHGLBZSJ094685x4","price":38.47,"currency_code":"USD","in_stock":true},{"title":"M10x30mm \/ 4 pcs","offer_id":52292604264722,"sku":"GLFBNHHGLBZSJ094686x4","price":39.56,"currency_code":"USD","in_stock":true},{"title":"M10x35mm \/ 4 pcs","offer_id":52292604297490,"sku":"GLFBNHHGLBZSJ094687x4","price":40.65,"currency_code":"USD","in_stock":true},{"title":"M10x40mm \/ 4 pcs","offer_id":52292604330258,"sku":"GLFBNHHGLBZSJ094688x4","price":41.82,"currency_code":"USD","in_stock":true},{"title":"M10x45mm \/ 4 pcs","offer_id":52292604363026,"sku":"GLFBNHHGMWJ0648x4","price":42.69,"currency_code":"USD","in_stock":true},{"title":"M10x50mm \/ 4 pcs","offer_id":52292604395794,"sku":"GLFBNHHGLBZSJ094689x4","price":45.49,"currency_code":"USD","in_stock":true},{"title":"M10x60mm \/ 4 pcs","offer_id":52292604428562,"sku":"GLFBNHHGMWJ0649x4","price":46.77,"currency_code":"USD","in_stock":true},{"title":"M10x70mm \/ 4 pcs","offer_id":52292604461330,"sku":"GLFBNHHGMWJ0650x4","price":50.12,"currency_code":"USD","in_stock":true},{"title":"M10x80mm \/ 4 pcs","offer_id":52292604494098,"sku":"GLFBNHHGMWJ0651x4","price":53.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-06_858581f2-800c-499b-b89a-d0fbb9ddc0da.jpg?v=1779937656","url":"https:\/\/homediyer.com\/products\/m10-plastic-five-star-thumb-screws-25-80mm","provider":"HomeDIYer","version":"1.0","type":"link"}