Automatic Thread Trimmer (UT)
Upper and lower thread trimmers ensure extended blade lifespan, reduced maintenance, and 100% trimming precision.
For Lightweight and Heavy-Duty Work
Expands your sewing capabilities and handles a wide variety of fabrics with ease.
Voice Guidance
The built-in voice guide helps you learn various machine functions, alerts you in case of errors, and suggests solutions when the ‘Voice’ button is pressed. Plus, you can restore factory settings with a single button press. (Available on -UT models only)
Integrated Design
Mechanical and electronic components are seamlessly integrated into a sleek, wire-free design.
JACK W4-UT-01GB X 356 is a 3-needle flatbed coverstitch (interlock) machine with top cover thread, automatic thread trimming, and automatic presser foot lift.
Technical Specifications
| Model | Jack W4-UT-01GB |
| Function | Elastic Lace Attaching (Right-Side Cutter) |
| Needle | UY128GAS 11-14# |
| Number of Needles | 3 |
| Number of Threads | 5 |
| Stitch Width (mm) | 1.5-4.55 |
| Stitch Length | 5.6/6.4 |
| Differential Ratio | 0.65-1.3 |
| Presser Foot Lifting Height (mm) | 7 |
| Max Speed (s.p.m) | 5500 |
| Volume (mm) | 670x445x595 |
| Weight (kg) | 48/58 |
