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JACK® E4S-5-03 overlock industrial sewing machine

JACK · Overlock

JACK® E4S‑5‑03

JACK® E4S-5-03/333 – 5-Thread Safety Stitch Overlock – Complete Setup, Table & Stand Included

The JACK® E4S-5-03/333 is an industrial 5-thread safety stitch overlock machine that combines a 2-thread chainlock with a 3-thread overlock in a single pass, producing a reinforced seam finish used in workwear, denim, and structured garment production.

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Pricing, configuration, and ordering on the Shopify store.

Capacity

Needle System
DCx27, size #11

Automation

Drive Type
Direct Drive
Feed System
Differential Feed

Physical

Machine Type
Industrial 5-Thread Safety Stitch Overlock
Stitch Configuration
2-Thread Chainlock + 3-Thread Overlock (simultaneous)
Motor
550W Direct Drive Servo Motor
Setup
Complete — Table and Stand Included

Manufactured by

Jack. 30+ years of industrial sewing.

Why Jack →

Detail

How it runs on the floor

The JACK® E4S-5-03/333 is an industrial 5-thread safety stitch overlock machine that combines a 2-thread chainlock with a 3-thread overlock in a single pass, producing a reinforced seam finish used in workwear, denim, and structured garment production. Powered by a direct drive servo motor and assembled with industrial table and stand, this complete setup is ready for immediate production use.

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What's Included

  • JACK E4S-5-03/333 5-thread safety stitch overlock machine head
  • Heavy-duty industrial sewing table
  • Industrial stand with motor mount
  • 550W direct drive servo motor
  • LED work lamp
  • Standard accessories kit (needles, thread guides, tools)
  • Instruction manual

Key Features

  • 5-thread safety stitch — simultaneously sews a 2-thread chainlock and 3-thread overlock for a strong, reinforced seam
  • Single-pass seam finishing — combines seaming and edge finishing in one operation, increasing throughput
  • DCx27 needle system — standard industrial overlock needle compatible with a wide range of thread types
  • Direct drive servo motor — belt-free drive system for quieter, more responsive operation
  • Differential feed — adjustable feed ratio to prevent fabric stretching or gathering on knit and woven materials
  • Adjustable stitch width and length — precise mechanical adjustment for consistent seam specification across fabric types

Ideal For

  • Workwear and denim production requiring strong, reinforced seam construction
  • Structured outerwear and technical garments where seam integrity is critical
  • Mid-weight to heavy fabrics that require both seaming and overlocking in one pass
  • Production lines looking to reduce operations by combining chainlock and overlock into a single step

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® E4S‑5‑03

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