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Jack A4EH Heavy Duty


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Jack A4EH

  • Heavy Duty Machine for Heavier/Thicker Materials
  • Improved Backtack System
  • Electronic Control Stitch Length
  • Perfect for High End Garments
  • Extremely Quiet and Low Vibration

Please call prior to ordering for delivery quote

SKU: a4eh

The Jack A4EH is a computerised lockstitch machine with an electronically controlled stitch length and improved backtack. With the A4EH sew heavier materials with ease, using features such as the electronic stitch length panel to change the length of your stitches at the touch of a button. This machine is not suitable for lightweight materials.

All of our Jack industrials are built with a Jack stand on wheels, jack machine table, accessory draw, cotton post and some bobbins and needles to get you started!


  • Straight Stitch Lockstitch Machine
  • Quieter Backtack Function
  • Suitable for Heavier Materials
  • Extremely Quiet with Minimal Vibrations
  • Direct Drive, Silent Servo Motor – The motor is located in the head of the machine
  • Accurate Needle Drop – Reduces Stitch Skipping and Thread Snapping
  • Stitch Length Adjustable on Panel – The Length Can Also Be Locked Into Place on Screen to Avoid Operator Mis-Operation
  • Different Straight Stitch Patterns can be Programmed to Create Different Look
  • Perfect Sewing Quality – Ideal for Higher End Garments
  • Easy 1 Key Reset Button – Reset to Factory Settings with 1 Button
  • Cooling Fan for Direct Drive Motor – Ideal for Prolonging the Life
  • USB Port – Useful for Phone Charging and Software Updates
  • Small Thread End After Thread Trimming
  • Needle Up/Down Function
  • Adjustable Speed Control – Set the Speed to Your Own Preference
  • LED Lighting Built In
  • Self Oiling – Constantly Oils the Machine when in Use
  • Adjustable Stitch Length 0-5mm
  • Sewing Speed Maximum 5500 Stitch Per Minute
  • Presser Foot Lifter Height of 5mm (by hand lift) or 13mm (by knee lift)
  • Reverse Function
  • Backtack Function – For Reinforcement Stitches
  • Half Stitch Function
  • QR Code On Machine – For Product Information and Introduction
  • Needle Code DB X 1
  • High Precision Stitching – Can Reach 0.1mm Length Controlled by Step Motor and can be Locked into Place
  • Machine Head Weight 74KG

Included Accessories 

  • Instruction Manual
  • Bobbins
  • Needles
  • Oil
  • Machine Dust Cover
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