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Jack
JACK® C7-3-02 overlock industrial sewing machine

JACK · Overlock

JACK® C7‑3‑02

JACK® C7-3-02/233 – 3-Thread AI Overlock Machine – Complete Setup, Table & Stand Included

The JACK® C7-3-02/233 is a 3-thread AI-powered overlock industrial sewing machine — the world's first overlock with A.M.

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Pricing, configuration, and ordering on the Shopify store.

Performance

Maximum Speed
7,000 SPM
Stitch Length
0.8–3.8mm

Capacity

Needle System
B27/DCx27 #9–#16
Presser Foot Lift
10mm

Automation

Drive Type
Direct Drive
Lubrication
Automatic

Physical

Motor
550W Direct Drive Servo Motor
Machine Type
3-Thread Overlock / Serger
AI Technology
A.M.H. (Automatic Material Handling)
Number of Threads
3
Stitch Width
4mm
Differential Ratio
0.7–2.0
Feed Type
Drop Feed
Setup Included
Machine, Table & Stand

Manufactured by

Jack. 30+ years of industrial sewing.

Why Jack →

Detail

How it runs on the floor

The JACK® C7-3-02/233 is a 3-thread AI-powered overlock industrial sewing machine — the world's first overlock with A.M.H. (Automatic Material Handling) technology that senses and adapts to any fabric type in real time. Delivering flawless seams on lightweight knits, denim, and activewear without stopping to adjust settings, the C7-3 combines a smart presser foot, Smart Rhino Feeding system, and direct drive motor for unmatched consistency at up to 7,000 SPM. This complete industrial overlock setup includes the machine head, 550W servo motor, industrial table, and stand — ready to run out of the box.

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What's Included

  • JACK® C7-3-02/233 3-Thread AI Overlock Machine (ships assembled)
  • 550W Direct Drive Servo Motor
  • Industrial sewing table
  • Heavy-duty stand
  • Standard accessories kit

Key Features

  • A.M.H. Artificial Intelligence – Real-time fabric sensing with 3 operating modes: Manual, Semi-Automatic, and Fully Automatic — adapts to any material without manual adjustment
  • Smart Presser Foot – Detects pressure changes 32,000 times per second with 0.00006 microsecond response time for precise, dynamic control on every stitch
  • Smart Rhino Feeding System – 9.2 Nm super torque with degree-by-degree feeding control for consistent stitch quality across all fabric weights
  • Full Speed Feeding – Continuously senses fabric position changes to balance pressing and feeding forces across any material at full production speed
  • Thread Trimmer and Automatic Foot Lifter – Hands-free operation for faster cycle times and reduced operator fatigue
  • Automatic Lubrication – Low-maintenance operation; automatic reverse and needle positioner for repeatable results

Ideal For

  • Lightweight apparel and knit garment production
  • Denim and heavyweight jeans manufacturing
  • Activewear and stretch fabrics
  • High-volume production environments requiring AI-assisted consistency

Questions

Before you buy

Quick answers to the questions buyers ask most about Jack industrial machines. For pricing, configuration, and live availability, the Shopify product page is always the source of truth.

How do I get current pricing for this Jack model?

Pricing and live availability are handled on the Shopify store. Tap 'View on Shopify' above to see the current price, configuration options, and delivery estimates for your zip code.

Does the machine ship as a complete setup?

Most Jack industrial models ship as complete production setups: head, servo motor, table, and stand. The product description above lists exactly what's included for this specific model.

What kind of warranty does Jack provide?

Every Jack machine carries a manufacturer warranty against defects in materials and workmanship. Authorized US dealers also provide local service and parts support. See the Shopify product page for the warranty terms specific to this model.

Are genuine Jack replacement parts available?

Yes. Original Jack feed dogs, hooks, gauge sets, presser feet, and electronics are stocked and traceable to the manufacturer. The Service & Parts page lists parts categories; the Shopify store carries the active SKUs.

Where is service available in the United States?

Authorized service technicians work nationwide through Jack's US dealer network. The Service & Parts page explains how coverage works, and each model's Shopify listing routes you to the dealer closest to your production floor.

Other Overlock machines

JACK® C7‑3‑02

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