{"product_id":"speedway-4039-looper","title":"SPEEDWAY 4039 Looper for Industrial Blindstitch Blind Hemmer Machines - Genuine Original Taiwan Part for SW-101, SW 500e, Consew 75T, CM-101 \u0026 Chandler 101","description":"\u003cp\u003eThe \u003cstrong\u003elooper (part #4039)\u003c\/strong\u003e is the part that actually makes the stitch on a blindstitch blind hemmer. As the curved needle passes through the fold of the fabric, the looper swings across and picks up the needle loop to form the \u003cstrong\u003esingle-thread chainstitch\u003c\/strong\u003e that holds an invisible hem. Every stitch the machine makes passes across this one component, which makes it a wear part: once the point dulls or the loop-taking surface wears, the machine starts \u003cstrong\u003eskipping stitches\u003c\/strong\u003e, dropping the chain, or leaving an uneven hem — symptoms operators often chase through tension and needle depth before realizing the looper is the cause.\u003c\/p\u003e\n\u003cp\u003eThis is a \u003cstrong\u003egenuine original SPEEDWAY part, manufactured in Taiwan\u003c\/strong\u003e — not a generic aftermarket copy. Part #4039 is the standard looper across the entire \u003cstrong\u003e101-class blindstitch platform\u003c\/strong\u003e, so it drops directly into a wide range of portable and industrial blind hemmers from multiple brands without modification.\u003c\/p\u003e\n\n\u003ch2\u003eMachine Compatibility — Available at Supra Sewing\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSPEEDWAY SW-101\u003c\/strong\u003e — Industrial blindstitch blind hemmer with convertible swing arm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSPEEDWAY SW 500e\u003c\/strong\u003e — Portable blindstitch blind hemmer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCONSEW CM-101-1\u003c\/strong\u003e — Single needle industrial blindstitch machine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpeedway Machine Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSPEEDWAY SW-101\u003c\/li\u003e\n  \u003cli\u003eSPEEDWAY SW 500e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOther Compatible Brands\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCONSEW\u003c\/strong\u003e — 75T, CM-101, CM-101-1, 221, 222, 250, 251\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCHANDLER\u003c\/strong\u003e — CM101 (101)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTREASURE\u003c\/strong\u003e — BS-100, BS-101\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTONY\u003c\/strong\u003e — H101M\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLEWIS\u003c\/strong\u003e — C17\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYAMATA\u003c\/strong\u003e — CM-500\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZOJE\u003c\/strong\u003e — ZJ-500\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCross-Reference Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4039\u003c\/li\u003e\n  \u003cli\u003e101M\u003c\/li\u003e\n  \u003cli\u003eCM500\u003c\/li\u003e\n  \u003cli\u003eBS101 looper\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPEEDWAY\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4039\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLooper\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlindstitch \/ Blind Hemmer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStitch Formed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-thread chainstitch (blind hem)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e101-class blindstitch platform\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Taiwan\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew — Genuine Original\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrecting skipped stitches and dropped chain on a blindstitch hemmer\u003c\/li\u003e\n  \u003cli\u003eScheduled preventive maintenance on production blind hemmers\u003c\/li\u003e\n  \u003cli\u003eAlteration shops and tailoring workrooms running daily hemming\u003c\/li\u003e\n  \u003cli\u003eDrapery and curtain workrooms hemming long panel runs\u003c\/li\u003e\n  \u003cli\u003eDry cleaners and garment repair counters offering same-day hemming\u003c\/li\u003e\n  \u003cli\u003eKeeping a spare on the shelf so a hemming station never goes down mid-order\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Compatibility Notice:\u003c\/strong\u003e Always verify your machine model and subclass number before ordering. Part numbers and compatibility are provided as a reference only. Supra Sewing is not responsible for purchases made without confirming compatibility with your specific machine. All sales on replacement parts are final.\u003c\/p\u003e","brand":"SPEEDWAY","offers":[{"title":"Default","offer_id":52377270812974,"sku":"4039","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/1514\/8334\/files\/c748d39e-ad13-463e-b1ff-20d1f6ff30f3.png?v=1785457404","url":"https:\/\/suprasewing.com\/products\/speedway-4039-looper","provider":"Supra Sewing Online, Llc","version":"1.0","type":"link"}