Automatic: Operates using sensors without the need for a pedal.
Semi-automatic: Automatic presser foot lifter and thread trimmer.
Manual: Functions are manually controlled via the panel, allowing selective use of auxiliary tools.
Effective Oil Level Control
Equipped with a sealed oil collection system and a closed needle bar to prevent oil leaks, which ensures clean operation and fabric protection.
Voice Guidance
The machine provides built-in voice guidance to help you learn its various functions. In case of an error, it alerts you and, when the VOICE button is pressed, offers step-by-step troubleshooting instructions. A single button press also allows you to quickly return to factory settings.
Single-Shaft Motor
Reduces torque for greater stability during operation, ensuring smoother and more uniform sewing.
Rotational Speed Up to 7,000 RPM
A maximum speed of 7,000 revolutions per minute is achieved — 35% faster than standard machines — providing higher efficiency and increased productivity.
Photocells
Provide automatic start and end of the seam, as well as activation of the chain cutter and presser foot lifter, which optimizes operations and increases efficiency.
Adjustable Overedge Width
Easily adjustable overedge width ranging from 6 to 10 mm, providing flexibility when working with various fabric types and seam finishing options.
Electronic Presser Foot Lifter and Chain Cutter
Thanks to built-in photocells, the electronic presser foot lifter and chain cutter automatically activate at the end of the seam, increasing workflow efficiency and operator comfort.
Jack C4-4-M03333 is a high-speed automatic 4-thread direct-drive overlock machine. The high-performance 4-thread overlock is designed for speed, precision, and ease of use when working with light and medium fabrics. Equipped with three easily switchable operating modes—manual, semi-automatic, and automatic—this machine effortlessly adapts to various production needs.