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JACK® JK-797DI – 4-Thread Small Cylinder Overlock Machine – Complete Setup, Fully Submerged Table Included
WORLD No.1
Authorized JACK Distributor
Supra Sewing — USA's #1 Direct Distributor
Factory-direct authorized dealer · Since 2023
- Condition:
- New
- Shipping:
- Free Shipping assembled in the USA!*
JACK® JK-797DI – 4-Thread Small Cylinder Overlock Machine – Complete Setup, Fully Submerged Table Included is backordered and will ship as soon as it is back in stock.
Frequently asked
Does it arrive assembled?
Yes — we assemble, calibrate and test-stitch it in Miami before shipping. To protect the machine during freight, the head ships detached from the table; remounting takes minutes and we can walk you through it by phone.
Can I finance it?
Yes. You can split your purchase into monthly payments with Affirm (checking your rate takes seconds and won't affect your credit score), and Synchrony offers special financing on qualifying purchases (subject to credit approval). See your options on the financing page.
Warranty & support?
Yes — on top of the manufacturer's warranty, Supra Sewing backs your machine with our own coverage: 90 days on mechanical defects and 12 months on electrical & electronic parts (18 months on Speedway machines), serviced by our in-house techs in Miami, FL. Support in English & Spanish: +1 (954) 681-3894 or WhatsApp.
JACK® JK-797DI – 4-Thread Small Cylinder Overlock Machine – Complet...
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Description
Description
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
| Needle System | DCx27 / B27, sizes #9–#16 |
| Motor | 550W Direct-Drive Servo Motor |
| Drive Type | Direct Drive |
| Machine Type | 4-Thread Small Cylinder-Bed Overlock / Serger |
| Stitch Type | 4-Thread Overlock |
| Construction | Small Cylinder Bed |
| Configuration | 514 — 5mm Stitch Width, 4-Thread |
| Differential Feed | M03/333 — 3×3 Ratio |
| Tension System | FR02 Mechanical Tension |
| Table Setup | Fully Submerged (Cylinder Arm at Table Level) |
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Expert advice available at +1-954-681-3894
