Jack W4S-UT-01GBX356 Three Needle Five Thread Flat-bed Interlock Sewing Machine
High speed coputerized flat-bed interlock machine
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Jack W4S Series: The Ultimate Flatbed Interlock - Versatility Meets Intelligent Performance
Engineered for the modern knitwear factory, the Jack W4S Series redefines what a 3-needle interlock machine can do. This isn't just a stitcher—it's your multi-operation solution for armhole rolling, binding, overlock-style seams, and decorative stitching, all on a versatile flatbed platform. The integrated direct-drive servo motor delivers whisper-quiet operation and significant energy savings, while the advanced bottom differential feed ensures flawless, pucker-free stitches even on challenging stretch fabrics like Lycra. With intelligent 3-level LED lighting and robust construction, the W4S Series combines precision, power, and adaptability for today's most demanding knitwear production.
Key Specifications:
🤖 3-Needle Versatility: Handles armholes, binding & decorative stitching
⚡ Direct-Drive Motor: Energy-saving & ultra-quiet operation
🎯 Differential Feed: Perfect stitches on Lycra & stretch fabrics
💡 3-Level LED: Adjustable workspace lighting
🛠️ Flatbed Design: Optimal for knitwear & multi-operation tasks
Perfect for: Blouses 👕 | Activewear 🎽 | Underwear 🩲 | Stretch Fabrics 🧦
Thread trimmer and thread catcher - The upper thread trimmer and thread catcher work at the same time.
High speed - The speed of the W4S is 5,500 rpm, compared to the 3,700 rpm of a normal machine with cover, the efficiency increases more than 50%.
Standard (01)
Collarect (02)
Top stitching (03)
Hem (08)
Jack W4S Machines Specifications
https://www.youtube.com/watch?v=z7b7_H30GaI

