{"product_id":"open-end-timing-belt-3m-5m-8m-mxl-xl-l-rubber","title":"Open End Timing Belt — 3M \/ 5M \/ 8M \/ MXL \/ XL \/ L, 6–30mm Wide, Cut to Length","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eOpen End Timing Belt — Precise Linear Motion for 3M, 5M, 8M, MXL, XL \u0026amp; L Drive Systems\u003c\/h2\u003e\n\u003cp\u003eWhen a slipping V-belt or mismatched drive profile causes positioning errors in your CNC router, 3D printer, conveyor, or robotic axis, the fix starts with the right synchronous belt. Engineers, makers, and maintenance technicians who need a reliable open-end timing belt that can be cut to exact length will find this listing covers the most common metric HTD and imperial trapezoidal pitch profiles in one place.\u003c\/p\u003e\n\u003cp\u003eEach order is fulfilled as a continuous open-end rubber timing belt section. Available pitch models include \u003cstrong\u003e3M\u003c\/strong\u003e (3mm pitch), \u003cstrong\u003e5M\u003c\/strong\u003e (5mm pitch), \u003cstrong\u003e8M\u003c\/strong\u003e (8mm pitch), \u003cstrong\u003eMXL\u003c\/strong\u003e (2.032mm pitch), \u003cstrong\u003eXL\u003c\/strong\u003e (5.08mm pitch), and \u003cstrong\u003eL\u003c\/strong\u003e (9.525mm pitch). Belt widths range from 6mm (≈1\/4\") to 30mm (≈1-3\/16\") depending on the model, and lengths are available in 1 M (≈39.4\"), 2 M (≈78.7\"), and 5 M (≈196.9\") sections. The belt body is constructed from rubber with fiber-reinforced tensile cords for dimensional stability under load.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include \u003cstrong\u003eopen-loop and closed-loop linear motion systems\u003c\/strong\u003e such as CoreXY and Cartesian 3D printer axes, \u003cstrong\u003elight-to-medium CNC machine tool drives\u003c\/strong\u003e where tooth-to-tooth accuracy matters, and \u003cstrong\u003eindustrial conveyor and packaging line drives\u003c\/strong\u003e requiring a cut-to-length synchronous belt replacement. The open-end format also suits custom belt clamp assemblies used in linear actuators and pick-and-place equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003eℹ️\u003c\/span\u003e \u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Select the pitch model that matches your existing pulleys exactly. HTD profiles (3M, 5M, 8M) are \u003cem\u003enot\u003c\/em\u003e interchangeable with trapezoidal profiles (MXL, XL, L) even when pitch spacing appears similar. Confirm your pulley's tooth profile before ordering.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These Open End Rubber Timing Belts\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSix Pitch Profiles in One Listing\u003c\/strong\u003e — Covers 3M, 5M, 8M HTD metric and MXL, XL, L imperial trapezoidal profiles, so you can source the correct open-end timing belt for your drive without hunting across multiple listings.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCut-to-Length Open End Format\u003c\/strong\u003e — Supplied as a straight, open-end section that you trim to your exact required length, making it suitable for linear drive systems, belt clamp actuators, and custom conveyor runs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFiber-Reinforced Tensile Cords\u003c\/strong\u003e — Internal load-carrying cords resist elongation under tension, maintaining consistent tooth pitch and reducing positioning drift in CNC and 3D printer timing belt applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Width Selection\u003c\/strong\u003e — Available from 6mm to 30mm wide depending on pitch model, allowing you to match the belt face width to your pulley and scale load capacity for your specific drive torque requirement.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eConsistent Tooth Geometry\u003c\/strong\u003e — Molded tooth profile conforms to standard HTD and trapezoidal specifications, ensuring proper mesh with off-the-shelf metric and imperial timing pulleys without modification.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🚚\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMultiple Length Options\u003c\/strong\u003e — Choose 1 M, 2 M, or 5 M sections to minimize waste for your project. Longer sections are cost-effective for production runs or conveyor replacement where multiple cuts are needed from a single belt.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — Open End Timing Belt\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Type\u003c\/th\u003e\n\u003ctd\u003eOpen-end synchronous timing belt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Pitch Models\u003c\/th\u003e\n\u003ctd\u003e3M (3mm pitch), 5M (5mm pitch), 8M (8mm pitch), MXL (2.032mm pitch), XL (5.08mm pitch), L (9.525mm pitch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTooth Profile\u003c\/th\u003e\n\u003ctd\u003eHTD curvilinear (3M, 5M, 8M) \/ Trapezoidal (MXL, XL, L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Widths\u003c\/th\u003e\n\u003ctd\u003e6mm, 10mm, 15mm, 20mm, 25mm, 30mm (availability varies by pitch model — see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e1 M (≈39.4\"), 2 M (≈78.7\"), 5 M (≈196.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Material\u003c\/th\u003e\n\u003ctd\u003eRubber with fiber-reinforced tensile cords\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTooth Material\u003c\/th\u003e\n\u003ctd\u003eRubber (same compound as belt body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBacking\u003c\/th\u003e\n\u003ctd\u003eRubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm for your application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePulley Compatibility\u003c\/th\u003e\n\u003ctd\u003eStandard HTD pulleys (3M, 5M, 8M) and trapezoidal pulleys (MXL, XL, L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnd Type\u003c\/th\u003e\n\u003ctd\u003eOpen end (not joined\/looped)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eBefore ordering:\u003c\/strong\u003e Verify your pulley's pitch profile (HTD vs. trapezoidal) and tooth count. HTD and trapezoidal belts use different tooth shapes and are not interchangeable even when the pitch spacing is numerically close.\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 belt length?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMeasure the center-to-center distance between your drive and driven pulleys, then calculate the required belt path length. For open-end belts, add roughly twice the center distance plus the circumference contribution of both pulleys. When in doubt, order slightly longer — open-end belts can be trimmed to exact length. For reference: 1 M ≈ 39.4\", 2 M ≈ 78.7\", 5 M ≈ 196.9\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat pitch should I select — 3M, 5M, 8M, MXL, XL, or L?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the pitch to your existing pulleys. 3M (3mm pitch) and MXL (2.032mm pitch) are typically used in light-duty precision applications such as 3D printers and small CNC machines. 5M (5mm pitch) and XL (5.08mm pitch) generally suit medium-load conveyors and robotics. 8M (8mm pitch) and L (9.525mm pitch) are typically chosen for heavier industrial drives. Always verify the pitch marking on your pulley before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow much load can these timing belts handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eLoad capacity depends on pitch, belt width, and operating speed. Wider belts in the same pitch series generally carry higher loads. As a general guide, 8M belts in 25–30mm widths are suited for heavier industrial drives, while 3M and MXL belts in narrower widths are designed for lighter precision motion. Consult your drive system's torque requirements and compare against the belt manufacturer's published load tables for the specific pitch.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these belts suitable for outdoor or wet environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese rubber timing belts are generally resistant to moderate moisture and humidity. However, prolonged exposure to standing water, oils, or harsh UV radiation can degrade rubber compounds over time. For outdoor or washdown applications, inspect the belt periodically and consider a protective cover where possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these belts compatible with standard metric and imperial pulleys?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. The 3M, 5M, and 8M profiles follow the HTD (High Torque Drive) metric standard, while MXL, XL, and L profiles follow the imperial trapezoidal tooth standard widely used in North America. They are compatible with any pulley manufactured to the same profile and pitch specification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I cut the belt to a custom length?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes — open-end timing belts are designed to be cut to your required length using a sharp utility knife or belt cutter. Cut cleanly and squarely across the belt width for the best tooth engagement at the splice or clamp point.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat width should I choose for my application?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBelt width should match your pulley face width. As a rule of thumb, the belt width is typically equal to or slightly narrower than the pulley face. Wider belts distribute load across more tooth surface area, which is beneficial for higher-torque applications. Available widths range from 6mm to 30mm depending on the pitch model selected.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003emodel (pitch \u0026amp; width)\u003c\/strong\u003e and \u003cstrong\u003elength\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"3M \u0026 10mm Belt Width \/ 1 M","offer_id":52367879045394,"sku":"GLFBQLWGLBZSJ060559x1","price":14.76,"currency_code":"USD","in_stock":true},{"title":"3M \u0026 10mm Belt Width \/ 2 M","offer_id":52367879078162,"sku":"GLFBQLWGLBZSJ060559x2","price":23.6,"currency_code":"USD","in_stock":true},{"title":"3M \u0026 10mm Belt Width \/ 5 M","offer_id":52367879110930,"sku":"GLFBQLWGLBZSJ060559x5","price":56.02,"currency_code":"USD","in_stock":true},{"title":"3M \u0026 15mm Belt Width \/ 1 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