JACK® JK-797DI – 4-Thread Small Cylinder Overlock Machine – Complete Setup, Fully Submerged Table Included

The JACK® JK-797DI is a 4-thread small cylinder-bed overlock machine purpose-built for neck binding, collar attachment, cuff finishing, and any tubular or closed-seam overlock work. Its compact cylinder arm fits inside pre-assembled pieces like T-shirt necks, sleeves, and leg openings that flatbed machines cannot handle. This complete industrial setup includes the machine head, 550W direct-drive servo motor, and fully submerged table — ready to run out of the box.

What's Included

• JACK® JK-797DI-4-514 Machine (ships assembled)
  
• Fully Submerged Industrial Table Setup, Assembled
• 550W Direct-Drive Servo Motor, Mounted & Wired
• Foot Pedal & Power Cable
• M03/333 Differential Feed Module
• FR02 Mechanical Tension System
• Standard Presser Foot Set, Needles & Basic Accessory Kit

Key Features

• 4-thread overlock stitch on a small cylinder-bed arm — sew inside tubular, closed, and pre-assembled pieces
• Neck binding specialist: fits inside T-shirt necks, collar openings, sleeve cuffs, and leg openings
• 550W integrated direct-drive servo motor — no belt, fast response, low vibration, quiet operation
• FR02 mechanical tension system — reliable, easy-to-set mechanical tension for consistent stitch quality
• M03/333 3×3 differential feed module — handles knit and stretch fabrics without distortion
• 5mm stitch width (514 configuration) optimized for industrial knitwear finishing
• Fully submerged table setup — cylinder arm sits at table level for comfortable feeding of pre-assembled pieces

Ideal For

• T-shirt and knitwear factories: neck binding, collar, and cuff overlocking
• Garment sewers working with tubular or closed pre-assembled pieces
• Industrial production requiring compact cylinder-arm serger performance
• Operators finishing sleeves, leg openings, and cuffs on knit fabrics

Technical Specifications