{"product_id":"pu-round-hollow-drive-belt-polyurethane-connectible-od-5-12mm","title":"PU Round Hollow Drive Belt | Polyurethane Connectible Belting OD 5–12mm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003ePU Round Hollow Drive Belt — Connectible Polyurethane Belting for Precise Power Transmission\u003c\/h2\u003e\n\u003cp\u003eWhen a worn or incorrectly sized drive belt causes slippage, misalignment, or unexpected downtime on your machinery, finding a reliable replacement shouldn't be a project in itself. Whether you're a workshop technician, a small-machine builder, or a DIY automation enthusiast, these PU round hollow drive belts give you a cut-to-length, field-joinable solution that fits your exact setup.\u003c\/p\u003e\n\u003cp\u003eEach listing covers polyurethane round hollow drive belts in six cross-section sizes — H5 (OD 5mm × ID 2mm \/ ≈3\/16\" OD), H6 (OD 6mm × ID 2mm \/ ≈1\/4\" OD), H8 (OD 8mm × ID 3.5mm \/ ≈5\/16\" OD), H9.5 (OD 9.5mm × ID 3.8mm \/ ≈3\/8\" OD), H10 (OD 10mm × ID 4mm \/ ≈13\/32\" OD), and H12 (OD 12mm × ID 4.5mm \/ ≈15\/32\" OD). Belts are available by the meter (1m or 10m) for custom-length loops, or as buckle sets (1 pc or 10 pcs) with your choice of brass or aluminium connectors for quick field joining.\u003c\/p\u003e\n\u003cp\u003eThese connectible drive belts are widely used in textile machinery drive systems, light conveyor belt replacements, woodworking equipment, packaging line drives, and small-motor power transmission for DIY automation or 3D printer builds — anywhere a round polyurethane drive belt with a reliable mechanical joint is needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔗\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for round-groove pulleys. Match the belt OD to your pulley groove width. Buckle sets require the corresponding H-series belt — confirm your pulley groove diameter before ordering.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These PU Round Hollow Drive 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\u003eHollow-Core Connectible Design\u003c\/strong\u003e — The hollow center accepts standard metal buckles for a tool-free mechanical joint, making field installation and belt loop sizing straightforward without adhesives or heat splicing.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🧪\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePolyurethane Construction\u003c\/strong\u003e — PU material provides good resistance to oils, mild chemicals, and abrasion compared to rubber alternatives, helping maintain belt integrity in lightly oiled or dusty workshop environments.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSix Cross-Section Sizes\u003c\/strong\u003e — H5 through H12 covers a wide range of pulley groove widths (OD 5–12mm \/ ≈3\/16\"–15\/32\"), so you can match the belt precisely to your machine's drive system without modification.\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 Flexibility\u003c\/strong\u003e — Meter-length options (1m or 10m) let you cut the exact loop size needed for custom conveyor drives, replacement belting, or prototype machinery where standard belt lengths don't apply.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eBrass or Aluminium Buckle Options\u003c\/strong\u003e — Choose brass buckles for corrosion resistance in humid or food-adjacent settings, or aluminium buckles for a lighter, cost-effective connector in general machinery applications.\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 — Available as single pieces or 10-packs (buckles) and 1m or 10m lengths (belt), so you can stock up for production runs or grab just what you need for a one-off repair.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — PU Round Hollow Drive Belt\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolyurethane (PU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Profile\u003c\/th\u003e\n\u003ctd\u003eRound, hollow core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes (OD × ID)\u003c\/th\u003e\n\u003ctd\u003eH5: 5mm × 2mm (≈3\/16\" OD) | H6: 6mm × 2mm (≈1\/4\" OD) | H8: 8mm × 3.5mm (≈5\/16\" OD) | H9.5: 9.5mm × 3.8mm (≈3\/8\" OD) | H10: 10mm × 4mm (≈13\/32\" OD) | H12: 12mm × 4.5mm (≈15\/32\" OD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection Method\u003c\/th\u003e\n\u003ctd\u003eMechanical buckle (connectible \/ field-joinable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBuckle Material Options\u003c\/th\u003e\n\u003ctd\u003eBrass or Aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Pack Options\u003c\/th\u003e\n\u003ctd\u003e1 Meter \/ 10 Meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBuckle Pack Options\u003c\/th\u003e\n\u003ctd\u003e1 Pcs \/ 10 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical Applications\u003c\/th\u003e\n\u003ctd\u003eTextile machinery, light conveyors, woodworking drives, packaging equipment, DIY automation\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\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\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eSizing Note:\u003c\/strong\u003e Belt sizes listed are nominal cross-section dimensions. Always verify your pulley groove diameter and existing belt OD before ordering. If you're unsure, contact us with your machine model or belt measurements.\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 size?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the belt's outer diameter (OD) to your pulley groove width. For example, H5 (OD 5mm \/ ≈3\/16\") suits small-diameter pulleys, while H12 (OD 12mm \/ ≈15\/32\") handles wider grooves. When in doubt, measure your existing belt or pulley groove and select the closest OD. A quick reference: 5mm ≈ 0.20\", 6mm ≈ 0.24\", 8mm ≈ 0.31\", 9.5mm ≈ 0.37\", 10mm ≈ 0.39\", 12mm ≈ 0.47\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat load or tension can these belts handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003ePolyurethane round hollow drive belts are generally suited for light-to-medium duty power transmission. Exact load ratings depend on belt size, pulley diameter, and operating speed. For heavy-duty industrial applications, contact us to confirm suitability before ordering.\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\u003ePolyurethane (PU) is inherently resistant to oils, mild chemicals, and moisture, making these belts generally suitable for damp or lightly oiled environments. However, prolonged UV exposure or immersion in harsh solvents may reduce belt life. For outdoor installations, consider shielding the belt from direct sunlight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat buckle material should I choose — brass or aluminium?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBrass buckles offer slightly higher corrosion resistance and are a traditional choice for food-adjacent or humid environments. Aluminium buckles are lighter and cost-effective for general workshop or machinery use. Both types are compatible with the corresponding H-series belt sizes listed in the variant options.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I connect or join the belt ends?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese are connectible drive belts — the hollow core allows a metal buckle to be inserted into both cut ends, creating a secure mechanical joint without adhesives or heat. Simply cut the belt to your required length, insert the buckle into each end, and crimp or press to lock. Buckles are sold separately or as a set in this listing.\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. Belts sold by the meter (1m or 10m options) can be cut to any length with a sharp blade or scissors. This makes them ideal for custom conveyor loops, replacement drive belts, or prototype machinery where standard belt lengths don't fit your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat machines are these belts commonly used in?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese PU round hollow drive belts are typically used in textile machinery, woodworking equipment, light conveyor systems, packaging machines, and small-motor power transmission setups. They are also popular for DIY automation projects and 3D printer drive systems where a round polyurethane drive belt is specified.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"H5 (5mm x 2mm) Belt \/ 1 Meter","offer_id":52377927090450,"sku":"XYHGJBCYL00197x1","price":5.56,"currency_code":"USD","in_stock":true},{"title":"H6 (6mm x 2mm) Belt \/ 1 Meter","offer_id":52377927123218,"sku":"XYHGJBCYL00198x1","price":6.46,"currency_code":"USD","in_stock":true},{"title":"H8 (8mm x 3.5mm) Belt \/ 1 Meter","offer_id":52377927155986,"sku":"XYHGJBCYL00199x1","price":7.74,"currency_code":"USD","in_stock":true},{"title":"H9.5 (9.5mm x 3.8mm) Belt \/ 1 Meter","offer_id":52377927188754,"sku":"XYHGJBCYL00200x1","price":8.42,"currency_code":"USD","in_stock":true},{"title":"H10 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