{"product_id":"pu-round-drive-belt-polyurethane-meltable-cord-2mm-12mm","title":"PU Round Drive Belt – Polyurethane Meltable Cord, Dia 2mm–12mm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003ePU Round Drive Belt — Reliable Polyurethane Meltable Cord for Machines That Can't Afford Downtime\u003c\/h2\u003e\n\u003cp\u003eWhen a worn or snapped drive belt brings your sewing machine, lathe, or conveyor to a halt, finding the right replacement fast matters. Hobbyists, small-shop machinists, and light industrial operators often struggle to source the correct diameter in a usable length — ending up with belts that slip, stretch, or simply don't fit. This PU round drive belt is stocked in ten diameters and four lengths so you can get the exact size you need without cutting corners.\u003c\/p\u003e\n\u003cp\u003eEach listing covers a single continuous cord of polyurethane (PU) round belt, available in diameters from 2mm (≈5\/64\") to 12mm (≈15\/32\") and lengths of 1M (≈3.3 ft), 3M (≈9.8 ft), 5M (≈16.4 ft), and 10M (≈32.8 ft). The material is a meltable thermoplastic polyurethane — smooth, slightly elastic, and oil-resistant — with a circular cross-section designed to seat cleanly in standard round-groove pulleys.\u003c\/p\u003e\n\u003cp\u003eTypical applications include replacing drive belts on vintage and modern sewing machines, powering the spindle on small wood or metal lathes, running light conveyor lines in packaging or food-handling setups, and driving rollers in woodworking or printing equipment. The meltable cord format makes it a go-to for DIY machine repair and small-batch production environments where custom belt lengths are a regular need.\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 These round belts are designed for machines with \u003cstrong\u003eround-groove pulleys\u003c\/strong\u003e. Verify your pulley groove diameter before selecting a size. Not suitable for V-groove or flat-belt pulley systems.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These PU Round 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\u003eHeat-Meltable Splice\u003c\/strong\u003e — Fuse cut ends with a lighter or heat tool in seconds for a seamless, tool-free joint; no adhesives or clamps needed for most sewing machine belt replacements.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Size Range\u003c\/strong\u003e — Ten diameters from 2mm to 12mm cover everything from delicate hobby lathe drive belts to heavier conveyor round belt applications in a single product line.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eOil \u0026amp; Abrasion Resistance\u003c\/strong\u003e — Polyurethane construction resists oils, mild solvents, and surface wear, extending service life compared to standard rubber round belts in workshop environments.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLow Slip, Consistent Drive\u003c\/strong\u003e — The smooth PU surface maintains reliable grip in round-groove pulleys, reducing slippage during continuous operation on light-to-medium duty drives.\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 — Sold by the meter (1M, 3M, 5M, 10M), so you can cut the exact belt circumference needed for your machine rather than working around fixed lengths.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏭\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eBroad Machine Compatibility\u003c\/strong\u003e — Fits round-groove pulley systems on sewing machines, lathes, packaging conveyors, and woodworking equipment — a versatile polyurethane round drive belt for multi-machine workshops.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — PU Round 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\u003eThermoplastic Polyurethane (PU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Profile\u003c\/th\u003e\n\u003ctd\u003eRound (circular cross-section)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Diameters\u003c\/th\u003e\n\u003ctd\u003e2mm (≈5\/64\"), 3mm (≈1\/8\"), 4mm (≈5\/32\"), 5mm (≈3\/16\"), 6mm (≈15\/64\"), 7mm (≈9\/32\"), 8mm (≈5\/16\"), 9mm (≈23\/64\"), 10mm (≈25\/64\"), 12mm (≈15\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e1M (≈3.3 ft), 3M (≈9.8 ft), 5M (≈16.4 ft), 10M (≈32.8 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSplice Method\u003c\/th\u003e\n\u003ctd\u003eHeat-meltable (thermoplastic fusion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eSmooth\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\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePulley Compatibility\u003c\/th\u003e\n\u003ctd\u003eRound-groove pulleys\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Applications\u003c\/th\u003e\n\u003ctd\u003eSewing machines, lathes, light conveyors, woodworking drives\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU Series\u003c\/th\u003e\n\u003ctd\u003eFU078\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\u003eSpec Confirmation:\u003c\/strong\u003e Operating temperature range and tensile load ratings vary by diameter. Contact us before use in high-speed or high-load applications.\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 diameter and length for my machine?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the diameter to your machine's pulley groove width — typically 2mm–4mm for small sewing machines and hobby lathes, 5mm–8mm for mid-size equipment, and 9mm–12mm for heavier conveyor or industrial drives. For length, measure the belt path around all pulleys and add roughly 5–10% for the splice overlap. Available lengths are 1M (≈3.3 ft), 3M (≈9.8 ft), 5M (≈16.4 ft), and 10M (≈32.8 ft).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow strong is a polyurethane round drive belt?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003ePU round belts generally offer good tensile strength relative to their cross-section. Larger diameters (8mm–12mm) carry significantly higher loads than smaller ones (2mm–4mm). For specific load ratings, please contact us to confirm suitability for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan these belts be used outdoors or in wet environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003ePolyurethane is generally resistant to oils, mild chemicals, and moisture, making it more suitable for light-duty damp environments than rubber alternatives. However, prolonged UV exposure or immersion in harsh solvents may degrade the material over time. For outdoor or chemically aggressive settings, contact us to confirm compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I splice or join the belt ends?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese are meltable PU cords — heat both cut ends (typically with a lighter or heat tool) until they become tacky, then press them together firmly for a few seconds. The result is a seamless, nearly invisible joint. No adhesives or mechanical connectors are needed in most cases. Allow the joint to cool fully before running the belt under load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat machines are these round belts compatible with?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003ePU round drive belts are commonly used in sewing machines, vintage lathes, woodworking equipment, small conveyor systems, packaging machinery, and other light-to-medium industrial drives with round-groove pulleys. Always verify your pulley groove diameter before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I decide between 1M, 3M, 5M, and 10M lengths?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eChoose 1M for a single belt on a small machine. Order 3M or 5M if you need multiple belts or want spare material on hand. The 10M roll is the most economical option for workshops that replace belts regularly or need to cut custom lengths for several machines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill the spliced joint hold under continuous operation?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eWhen fused correctly, the heat-spliced joint is generally as strong as the belt itself and holds well under normal continuous operation. Ensure both ends are cleanly cut and fully melted before joining. Avoid over-heating, which can weaken the splice zone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003ediameter and length\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"2mm \/ 1M","offer_id":52377864372498,"sku":"FU078-0","price":1.75,"currency_code":"USD","in_stock":true},{"title":"2mm \/ 3M","offer_id":52377864405266,"sku":"FU078-1","price":3.81,"currency_code":"USD","in_stock":true},{"title":"2mm \/ 5M","offer_id":52377864438034,"sku":"FU078-2","price":5.85,"currency_code":"USD","in_stock":true},{"title":"2mm \/ 10M","offer_id":52377864470802,"sku":"FU078-3","price":10.87,"currency_code":"USD","in_stock":true},{"title":"3mm \/ 1M","offer_id":52377864503570,"sku":"FU078-4","price":1.94,"currency_code":"USD","in_stock":true},{"title":"3mm \/ 3M","offer_id":52377864536338,"sku":"FU078-5","price":4.41,"currency_code":"USD","in_stock":true},{"title":"3mm \/ 5M","offer_id":52377864569106,"sku":"FU078-6","price":6.79,"currency_code":"USD","in_stock":true},{"title":"3mm \/ 10M","offer_id":52377864601874,"sku":"FU078-7","price":12.99,"currency_code":"USD","in_stock":true},{"title":"4mm \/ 1M","offer_id":52377864634642,"sku":"FU078-8","price":2.15,"currency_code":"USD","in_stock":true},{"title":"4mm \/ 3M","offer_id":52377864667410,"sku":"FU078-9","price":5.0,"currency_code":"USD","in_stock":true},{"title":"4mm \/ 5M","offer_id":52377864700178,"sku":"FU078-10","price":7.85,"currency_code":"USD","in_stock":true},{"title":"4mm \/ 10M","offer_id":52377864732946,"sku":"FU078-11","price":14.96,"currency_code":"USD","in_stock":true},{"title":"5mm \/ 1M","offer_id":52377864765714,"sku":"FU078-12","price":2.52,"currency_code":"USD","in_stock":true},{"title":"5mm \/ 3M","offer_id":52377864798482,"sku":"FU078-13","price":6.11,"currency_code":"USD","in_stock":true},{"title":"5mm \/ 5M","offer_id":52377864831250,"sku":"FU078-14","price":9.7,"currency_code":"USD","in_stock":true},{"title":"5mm \/ 10M","offer_id":52377864864018,"sku":"FU078-15","price":18.67,"currency_code":"USD","in_stock":true},{"title":"6mm \/ 1M","offer_id":52377864896786,"sku":"FU078-16","price":2.86,"currency_code":"USD","in_stock":true},{"title":"6mm \/ 3M","offer_id":52377864929554,"sku":"FU078-17","price":7.14,"currency_code":"USD","in_stock":true},{"title":"6mm \/ 5M","offer_id":52377864962322,"sku":"FU078-18","price":11.41,"currency_code":"USD","in_stock":true},{"title":"6mm \/ 10M","offer_id":52377864995090,"sku":"FU078-19","price":22.1,"currency_code":"USD","in_stock":true},{"title":"7mm \/ 1M","offer_id":52377865027858,"sku":"FU078-20","price":3.11,"currency_code":"USD","in_stock":true},{"title":"7mm \/ 3M","offer_id":52377865060626,"sku":"FU078-21","price":7.98,"currency_code":"USD","in_stock":true},{"title":"7mm \/ 5M","offer_id":52377865093394,"sku":"FU078-22","price":12.82,"currency_code":"USD","in_stock":true},{"title":"7mm \/ 10M","offer_id":52377865126162,"sku":"FU078-23","price":24.96,"currency_code":"USD","in_stock":true},{"title":"8mm \/ 1M","offer_id":52377865158930,"sku":"FU078-24","price":3.88,"currency_code":"USD","in_stock":true},{"title":"8mm \/ 3M","offer_id":52377865191698,"sku":"FU078-25","price":10.13,"currency_code":"USD","in_stock":true},{"title":"8mm \/ 5M","offer_id":52377865224466,"sku":"FU078-26","price":16.32,"currency_code":"USD","in_stock":true},{"title":"8mm \/ 10M","offer_id":52377865257234,"sku":"FU078-27","price":32.07,"currency_code":"USD","in_stock":true},{"title":"9mm \/ 1M","offer_id":52377865290002,"sku":"FU078-28","price":4.57,"currency_code":"USD","in_stock":true},{"title":"9mm \/ 3M","offer_id":52377865322770,"sku":"FU078-29","price":12.23,"currency_code":"USD","in_stock":true},{"title":"9mm \/ 5M","offer_id":52377865355538,"sku":"FU078-30","price":19.95,"currency_code":"USD","in_stock":true},{"title":"9mm \/ 10M","offer_id":52377865388306,"sku":"FU078-31","price":39.15,"currency_code":"USD","in_stock":true},{"title":"10mm \/ 1M","offer_id":52377865421074,"sku":"FU078-32","price":5.71,"currency_code":"USD","in_stock":true},{"title":"10mm \/ 3M","offer_id":52377865453842,"sku":"FU078-33","price":15.68,"currency_code":"USD","in_stock":true},{"title":"10mm \/ 5M","offer_id":52377865486610,"sku":"FU078-34","price":25.65,"currency_code":"USD","in_stock":true},{"title":"10mm \/ 10M","offer_id":52377865519378,"sku":"FU078-35","price":50.58,"currency_code":"USD","in_stock":true},{"title":"12mm \/ 1M","offer_id":52377865552146,"sku":"FU078-36","price":7.28,"currency_code":"USD","in_stock":true},{"title":"12mm \/ 3M","offer_id":52377865584914,"sku":"FU078-37","price":20.37,"currency_code":"USD","in_stock":true},{"title":"12mm \/ 5M","offer_id":52377865617682,"sku":"FU078-38","price":33.48,"currency_code":"USD","in_stock":true},{"title":"12mm \/ 10M","offer_id":52377865650450,"sku":"FU078-39","price":66.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of7_b17fb62d-49be-46ba-8277-44e5e892bda4.jpg?v=1781596525","url":"https:\/\/homediyer.com\/products\/pu-round-drive-belt-polyurethane-meltable-cord-2mm-12mm","provider":"HomeDIYer","version":"1.0","type":"link"}