{"product_id":"jack®-jk-788b-4-13h-4-thread-industrial-overlock","title":"JACK® JK-788B-4-13H - 4 Thread Industrial Overlock","description":"\u003c!-- JMJ HTML ficha técnica --\u003e\n\u003cstyle\u003e\n@keyframes pulseJMJ {\n  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(249,115,22,0.55); }\n  70% { transform: scale(1.02); box-shadow: 0 0 0 12px rgba(249,115,22,0); }\n  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(249,115,22,0); }\n}\n\u003c\/style\u003e\n\u003ch2 style=\"margin-bottom: 10px;\"\u003eJACK® JK-788B-4-13H - 4 Thread Industrial Overlock Sewing Machine\u003c\/h2\u003e\n\u003cdiv style=\"margin: 16px 0; padding: 14px 18px; border: 2px solid #f97316; border-radius: 10px; background: #fff7ed; text-align: center; animation: pulseJMJ 2s infinite;\"\u003e\n\u003cp style=\"margin: 0; font-weight: 800; font-size: 17px; color: #f97316;\"\u003e✔ COMPLETE ASSEMBLED WITH TABLE AND STAND INCLUDED\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0 0; font-size: 14px; color: #333;\"\u003eReady to sew. No setup needed. Professional installation included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-bottom: 12px; font-weight: 500;\"\u003e4 Thread Overlock • Industrial Serger • High-Speed Seam Finishing\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 16px;\"\u003eThe \u003cstrong\u003eJACK® JK-788B-4-13H\u003c\/strong\u003e is a 4 thread industrial overlock sewing machine designed for clean, strong, and professional seam finishing. Built for garment production and sewing workshops, it provides reliable overlock performance for light to medium-weight fabrics.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 16px;\"\u003eThis machine is ideal for finishing raw edges, joining knit fabrics, and producing durable stretch seams. Its industrial design delivers smooth operation, consistent stitch quality, and dependable performance for daily production use.\u003c\/p\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\u003e4 thread industrial overlock \/ serger machine.\u003c\/li\u003e\n\u003cli\u003eDesigned for clean edge finishing and strong seams.\u003c\/li\u003e\n\u003cli\u003eIdeal for light to medium-weight fabrics.\u003c\/li\u003e\n\u003cli\u003eReliable performance for garment production.\u003c\/li\u003e\n\u003cli\u003eSmooth fabric feeding for consistent stitch quality.\u003c\/li\u003e\n\u003cli\u003eProfessional overlock finish for sewing shops and factories.\u003c\/li\u003e\n\u003cli\u003eComplete assembled setup with table and stand included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 16px; padding-left: 18px;\"\u003e\n\u003cli\u003eT-shirts and knit garments.\u003c\/li\u003e\n\u003cli\u003eSportswear and casual apparel.\u003c\/li\u003e\n\u003cli\u003eUniforms and general garment production.\u003c\/li\u003e\n\u003cli\u003eSeam finishing and edge trimming.\u003c\/li\u003e\n\u003cli\u003eLight to medium fabric overlocking.\u003c\/li\u003e\n\u003cli\u003eProfessional tailoring and sewing workshops.\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\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eJACK® JK-788B-4-13H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eMachine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eIndustrial Overlock \/ Serger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eThread Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e4 Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eSeam Finishing \/ Overlock Sewing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eFabric Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eLight to Medium-Weight Fabrics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eAssembly\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eComplete with Table and Stand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003eThe \u003cstrong\u003eJACK® JK-788B-4-13H\u003c\/strong\u003e is a dependable 4 thread overlock machine built for professional seam finishing, garment production, and everyday industrial sewing operations.\u003c\/p\u003e","brand":"JMJ SEWING MACHINES","offers":[{"title":"Default Title","offer_id":53426547327270,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/5825\/1302\/files\/ChatGPT_Image_1_jul_2026_16_40_38.png?v=1782938452","url":"https:\/\/jmjsewingmachines.com\/products\/jack%c2%ae-jk-788b-4-13h-4-thread-industrial-overlock","provider":"JMJ SEWING MACHINES","version":"1.0","type":"link"}