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JACK® JK-58720B lockstitch industrial sewing machine

JACK · Lockstitch

JACK® JK‑58720B

JACK® JK-58720B – Double Needle Large Bobbin Needle Feed Lockstitch – Complete Setup, Table & Stand Included

The JACK JK-58720B is a double needle needle-feed lockstitch machine built for consistent parallel seaming on medium-weight materials.

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Pricing, configuration, and ordering on the Shopify store.

Performance

Maximum Speed
3,000 SPM
Max Stitch Length
7 mm

Capacity

Needle System
DP×5, sizes #11–16 (double needle)
Needle Gauge
6.4 mm
Presser Foot Lift
7–13 mm
Max Sewing Thickness
5 mm

Automation

Drive Type
Direct drive

Physical

Motor
750W direct-drive servo motor (included)
Machine Type
Double Needle Needle-Feed Lockstitch with Large Bobbin
Work Area
264 × 120 mm
Machine Weight
Approx. 43–53.5 kg
Included
Complete setup with table and stand

Manufactured by

Jack. 30+ years of industrial sewing.

Why Jack →

Detail

How it runs on the floor

The JACK JK-58720B is a double needle needle-feed lockstitch machine built for consistent parallel seaming on medium-weight materials. The 750W direct-drive servo motor with self-cooling handwheel and closed lubrication system delivers clean, reliable stitching at up to 3,000 SPM with low maintenance requirements. The needle feed system advances the material precisely with each stitch, preventing slippage and maintaining accurate 6.4mm needle gauge spacing through multiple layers. Comes as a complete setup with table and stand included.

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What's Included

  • JACK JK-58720B Double Needle Needle-Feed Lockstitch Machine (ships assembled)
  • 750W direct-drive servo motor
  • Industrial table and stand
  • Standard accessories kit

Key Features

  • Needle feed system advances material in sync with each stitch — prevents slippage and maintains consistent parallel stitch rows on medium-weight fabrics
  • 750W direct-drive servo motor with self-cooling handwheel for efficient, quiet operation with no belt and lower maintenance
  • Closed lubrication system keeps oil contained and away from the fabric — reduces contamination and simplifies maintenance
  • 6.4mm needle gauge for standard parallel seaming on garments, jeans, workwear, and upholstery
  • Max sewing thickness of 5mm for reliable performance on layered and structured materials
  • Max stitch length of 7mm with presser foot lift range of 7–13mm for versatility across material weights
  • Complete setup with table and stand — ready to install and run

Ideal For

  • Double-needle parallel seaming on jeans, workwear, sportswear, and garments requiring consistent stitch spacing
  • Medium-weight fabrics and layered materials up to 5mm thickness where needle feed prevents slippage
  • Production environments requiring direct-drive efficiency with low maintenance and clean operation

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 Lockstitch machines

JACK® JK‑58720B

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