{"product_id":"bobbin-b1811-771-000-universal-buttonhole-sewing-machine-1-pc","title":"Bobbin #B1811-771-000 Universal Buttonhole Sewing Machine - 1 PC","description":"\u003c!-- JMJ HTML Product Description --\u003e\n\u003ch2 style=\"margin-bottom: 10px;\"\u003eUniversal Buttonhole Sewing Machine Bobbin #B1811-771-000 B - 1 PC\u003c\/h2\u003e\n\u003cp style=\"margin-bottom: 12px; font-weight: 500;\"\u003eButtonhole Machine Bobbin • Part #B1811-771-000 B • Compatible with JACK® \u0026amp; JUKI® • 1 Piece\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 16px;\"\u003eThe \u003cstrong\u003eUniversal Buttonhole Sewing Machine Bobbin #B1811-771-000 B\u003c\/strong\u003e is a replacement bobbin designed for compatible JACK® and JUKI® industrial buttonhole sewing machines. It is suitable for professional garment production applications requiring reliable bobbin thread delivery and consistent buttonhole stitch formation.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 16px;\"\u003eThis bobbin is designed for compatible \u003cstrong\u003eJACK® JKT-781, JKT-782, JKT-783 and JKT-1790 series\u003c\/strong\u003e machines, as well as compatible \u003cstrong\u003eJUKI® LBH-771, LBH-780 and LBH-1790\u003c\/strong\u003e models.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eEquivalent Part Numbers\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 16px; padding-left: 18px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B1811-771-000 B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible \/ Alternate:\u003c\/strong\u003e B1811-771-000 A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eCompatible Machines\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 16px; padding-left: 18px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eJACK®:\u003c\/strong\u003e JKT-781, JKT-782, JKT-783, JKT-1790\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJUKI®:\u003c\/strong\u003e LBH-771, LBH-780, LBH-1790\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 16px; padding-left: 18px;\"\u003e\n\u003cli\u003eReplacement bobbin for compatible industrial buttonhole sewing machines.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePart Number: B1811-771-000 B.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eAlternate \/ compatible reference: B1811-771-000 A.\u003c\/li\u003e\n\u003cli\u003eCompatible with selected JACK® JKT series machines.\u003c\/li\u003e\n\u003cli\u003eCompatible with selected JUKI® LBH series machines.\u003c\/li\u003e\n\u003cli\u003eDesigned for reliable bobbin thread delivery.\u003c\/li\u003e\n\u003cli\u003eIdeal as a replacement or additional production bobbin.\u003c\/li\u003e\n\u003cli\u003eAllows operators to keep additional thread colors or types pre-wound and ready for use.\u003c\/li\u003e\n\u003cli\u003eSuitable for professional garment production and industrial sewing operations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 16px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eUniversal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eB1811-771-000 B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eAlternate Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eB1811-771-000 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eIndustrial Sewing Machine Bobbin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eMachine Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eIndustrial Buttonhole Sewing Machines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eCompatible JACK® Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eJKT-781, JKT-782, JKT-783, JKT-1790\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eCompatible JUKI® Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eLBH-771, LBH-780, LBH-1790\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003e1 Piece\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cp style=\"margin-bottom: 16px;\"\u003eLooking for a replacement \u003cstrong\u003eB1811-771-000 B bobbin\u003c\/strong\u003e for your compatible JACK® JKT-781, JKT-782, JKT-783, JKT-1790 or JUKI® LBH series buttonhole sewing machine? This replacement bobbin provides a practical solution for keeping additional bobbins prepared and ready for professional production.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"margin: 18px 0; padding: 14px 16px; border-left: 5px solid #f97316; background: #fff7ed; border-radius: 6px;\"\u003e\n\u003cstrong style=\"color: #f97316; font-size: 16px;\"\u003e ⚠️ Compatibility Notice \u003c\/strong\u003e\n\u003cp style=\"margin: 8px 0 0;\"\u003eAlways verify your sewing machine model and subclass before ordering. Part numbers and machine compatibility are provided for reference only. \u003cstrong\u003eJMJ Sewing Machines\u003c\/strong\u003e is not responsible for purchases made without confirming compatibility with your specific machine. \u003cstrong\u003eAll replacement parts sales are final.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003eThe \u003cstrong\u003eUniversal Buttonhole Sewing Machine Bobbin #B1811-771-000 B — 1 PC\u003c\/strong\u003e is designed for compatible JACK® and JUKI® industrial buttonhole machines, providing a convenient replacement or additional bobbin for efficient professional sewing operations.\u003c\/p\u003e","brand":"JMJ SEWING MACHINES","offers":[{"title":"Bobbin #B1811-771-000 A","offer_id":53846513484070,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"Bobbin #B1811-771-000  B","offer_id":53846513516838,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/5825\/1302\/files\/ChatGPTImage9sept2026_06_12_47p.m..png?v=1788992007","url":"https:\/\/jmjsewingmachines.com\/products\/bobbin-b1811-771-000-universal-buttonhole-sewing-machine-1-pc","provider":"JMJ SEWING MACHINES","version":"1.0","type":"link"}