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Janome ML644D


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The Janome ML644D overlocker is the first of the two easy-thread overlockers in Janome's My Lock range. As a medium-weight overlocker, the ML644D will easily tackle your domestic dressmaking, with its differential feed allowing you to compensate for stretch sewing, or finer fabrics like organza. The in-lay tension system on the ML644D makes for better tension results, and the simple conversion to rolled hem means no more guessing settings or changing needle plates. We mentioned easy-thread? The lower looper of the My Lock series of Janome overlockers, has a swing-out feature so you no longer have to thread awkwardly from under the frame of the machine. **Those of you with a keen eye will have noticed that the brochure image is different to the machine image - current 644s have the lovely gold decal finish.
Other features you'll like:

• fast sewing at up to 1300 stitches per minute
• thread catcher 
• instructional DVD
• retractable upper knife

Because Zig Zag Sewing has a shop-front and our online store, we can proudly support every machine that we sell anywhere in Australia with the piece of mind of being able to pick up the phone and ask us a question about your new machine! Not that far away? Pick up your machine from in store and organise a free lesson!

"The 644 just sews and sews - it's such a reliable overlocker."

From Janome's Website:

At a glance...

  • Overlocker
  • Sewing speed 1,300 SPM
  • Rolled hem pre-tensioner slide
  • Easy threading lower looper
  • Weight 8Kg

The MyLock 644D includes essential features for simple overlocking. The differential feed system of two feed dogs virtually eliminates puckered edges on woven fabrics and stretched edges on knits. Its unique rolled hem conversion feature eliminates the need to change the needle plate, foot, or tension setting for rolled hemming. Janome has restructured the lower looper guides for easy access. Colour-coded guides are easy to follow for 2, 3, or 4 thread overlocking. All of the features on this machine are specially designed to make this overlocker the easiest to use on the market today.

Standard Accessories

·         Presser Foot (on machine)
·         Pack of needles (HAx1SP)
·         Spool Holders x 4
·         Screwdriver (Lge)
·         Screwdriver (Sml)
·         Spool Caps x 4
·         Lint Brush
·         Tweezers
·         Spanner
·         Nets x 4
·         Oil
·         Spare Upper Knife
·         Needle Threader
·         Spreader for 2 thread
·         Lint Catcher
·         Accessory Box
·         Foot Control
·         Instruction Book
·         Instructional DVD


Number of Threads


Overlock Stitch

Using 2, 3 or 4 threads



Rolled Hemming

Yes including lower looper pretension slider

Cover Hem


Top Cover Hemming


Chain Stitch


Threading Chart


Colour Coded Thread Guides


Program Stitch Display


Type of Tension

Manual, lay-in type

Tension Release

Yes, lift presser foot

Sewing Speed

up to 1300 stitches per minute

Adjustable Stitch Length

1mm to 5mm

Adjustable Cutting Width

3.1mm to 7.3mm

Differential Feed Ratio

0.5mm to 2.25mm

Adjustable Foot Pressure


Free Arm


Needle System

Janome Ballpoint HAx1SP

Machine Weight


Machine Cover


Quick change to rolled hem


Retractable Upper Knife


Two Thread Converter


Thread Cutter

Yes, on face plate

Accessory Box


Waste Tray


Foot Control


Carry Handle


Instructional DVD