Buying Guide · Overlocker

Top automatic threading sergers: the ultimate comparison

7 minutes of readingUpdated on April 2025Try it in-store
Our choice Surjeteuse JUKI MO - 1000
JUKIJUKI MO-1000 Overlocker

L'enfilage à air change tout : les boucleurs se font en une seconde. C'est précisément l'étape qui décourage la plupart des gens sur une surjeteuse.

And depending on what you sew

Three situations, three machines. If you recognize yourself in one, you have your answer.

Are you a beginner?

Simple projects and easy-to-use materials. You want a machine that is forgiving.

Surjeteuse JUKI MO - 644D JUKI MO-644D Overlocker
519,00 €
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Do you sew often?

Various projects, several hours per week. You want precision.

Surjeteuse JUKI MO - 1000 JUKI MO-1000 Overlocker
1.247,00 €
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You want to do everything

Challenging fabrics and long sessions. You don't want to compromise.

Surjeteuse JUKI MO - 2000QVP JUKI MO-2000QVP Overlocker
1.359,00 €
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The patterns side by side

All these values come from the product pages. They update automatically whenever a product page is corrected.

JUKIJUKI MO-1000 Overlocker 1.247,00 € JUKIJUKI MO-2000QVP Overlocker 1.359,00 € JUKIJuki MO-3500 Overlocker 2.699,10 €
Number of needlesLeft and right needles compatible22
Maximum sewing speedSewing speed up to 1500 stitches/minute thanks to its powerful and quiet motor1500 stitches/minMaximum sewing speed: 1500 stitches/min
Differential feedYesYes
Needle threaderYesYesYes
Threading color codeYesYesYes
Chain stitchNoNoAutomatic chain cutter with recovery in the compartment
Tension adjustmentManualAutomatic thread tension
Aluminum chassisYesYes
Warranty2+3 years after registering on juki.com2+3 years after registering on juki.com2+3 years after registering on juki.com

Green cells mark the best in the row. A feature absent from a product sheet displays nothing.

Open the full comparison tool with these machines

If you are used to using an overlocker, you probably know that threading is the process that takes more time than expected. Manufacturers noticed this frustration among users and created an automatic threading system in their new models to simplify this dreaded step. To help you choose the model best suited to your needs, consulting this guide to an automatic-threading overlocker comparison can be very useful.

In this comparison, we take a close look at leading models such as the bernette 44 FUNLOCK and the Juki MO-3500, which were designed to save you time and make every project child's play. Find out which ones are truly worth the investment for a professional finish without the hassle!

Ease of threading

Do you know that headache that starts when you have to thread the loopers? Air-jet systems literally blow the solution your way. At the touch of a button, the threads are propelled through the channels as if by magic.

With this kind of machine, the time savings are guaranteed. Where you used to waste 10 minutes swearing, you now need only 30 minutes for this operation. Juki and bernette are leading the way with their JUKI MO-1000 and bernette 64 AIRLOCK models. For this model designed by bernette, the process is simplified by automatic air threading.

If you are hesitating between several models, consulting an automatic-threading overlocker comparison will help you make an informed choice based on your specific needs and budget.

The secret? Each brand has its own technology. Available on Verotex, overlockers with Jet-Air Threading do the job in just 3 seconds. Before buying, remember to take a look at an automatic-threading overlocker comparison: this will prevent you from missing out on the most convenient or best-performing model for your projects.

Pro tip: when you change color, tie the old thread to the new one and pull gently. Finally, say goodbye to the chore of completely rethreading. What’s more, according to users, these systems reduce errors by 80%. There is therefore no longer any risk of stitches loosening because a thread was not properly secured.

bernette 64 AIRLOCK overlocker

Number of threads

3 or 4 threads? The answer depends on your projects. The 3-thread combination is excellent for jersey and soft fabrics, creating invisible hems. Switching to 4 threads becomes important when assembling sportswear or thick knits: the seam becomes stronger without losing elasticity. The Brother M343D perfectly illustrates this versatility with its quick adjustments.

Before choosing your machine, consulting an automatic-threading overlocker comparison can help you identify models that combine performance and ease of use, especially for multi-thread configurations.

Leather and technical-fabric professionals will opt for the 5-thread configuration. Imagine sewing a motorcycle jacket: the extra stitch reinforces high-stress areas. For this, the bernette 68 AIRLOCK demonstrates its expertise with almost indestructible finishes.

If you want to save time when setting up, an automatic-threading overlocker comparison will point you toward the most efficient threading models, a key criterion for regular users.

Tip: always test on a scrap of fabric to adjust the tension before you start.

Automatic tension

Do tension settings give you a headache? High-end models adjust them for you. The Juki MO-2000qvp adjusts its settings automatically according to the selected fabric. This means there is no longer any need to turn the dials by feel, which is a real benefit for beginners who want even stitches from the very first attempt.

Before making your decision, consulting an automatic-threading overlocker comparison can really make a difference. You will find a clear overview of models that combine automation and sewing quality, such as this Juki.

Professionals will also appreciate the adjustment memories. Imagine switching from linen to stretch fabric without touching the buttons. This feature is excellent for moving from one project to the next without having to recalibrate the machine every time you change fabric. If you are unsure which option to choose, a good automatic-threading overlocker comparison will guide you toward the machine that meets your technical needs without compromise.

Smart tip: always start with a medium tension (4.5) before fine-tuning it based on the result.

Integrated features

Decorative stitches transform your creations into unique works. Flatlock is perfect for exposed seams in a sportswear style. Rolled hems excel on silk scarves with their microscopic hems. The bernette 44 FUNLOCK offers 15 built-in overlock stitches for fast and precise finishes. This is ideal when an urgent order needs to be fulfilled.

Mid-range models now rival high-end ones. If we compare, for example, the Juki MO-50EN with the bernette 44 FUNLOCK, both have a speed of 1300 stitches per minute. The only difference is the availability of specialized finishes such as the coverstitch for jeans. But if you only make basic hems, there is no need to pay more. Always test on a scrap piece before choosing.

JUKI MO-50EN SERGER

User ergonomics

Struggling with the tiny markings? Recent models keep things simple by using fluorescent color codes, diagrams integrated under the cover, and more. The telescopic guides handle the threads with one click, even for clumsy hands.

If you are looking for the ideal machine that combines simplicity and performance, consulting a automatic-threading serger comparison will help you quickly identify the models that genuinely make life easier, especially for beginners or those who sew regularly.

LED lighting makes all the difference on dark fabrics. The bernette 68 AIRLOCK, which you will be pleased to find in the serger collection at our Verotex store, illuminates the work area with 5 LEDs for precisely finished hems. Tip: always position your auxiliary lamp on the left to avoid bothersome shadows. Everyday comfort takes some effort!

Free arm

Do your sleeve hems end up looking like accordions? To avoid this problem, the free arm becomes your best ally. Simply slide the fabric around the metal cylinder to achieve perfectly circular seams.

Tip: keep the fabric slightly taut to prevent wrinkles.

Some compact models offer a 12 cm length, which is more than enough for hats. Professionals will opt for the Juki MO-654DE and its 18 cm, ideal for thick turtlenecks. The difference is noticeable on ambitious projects!

Included accessories

The equipment provided makes all the difference for a stress-free start:

  • Specialized needles: Important for adapting the machine to different types of fabric
  • Multiple presser feet: Blind hem, piping and gathering feet included depending on the package
  • Replacement knives: Ensure a clean cut even after hours of use
  • Maintenance kit: Oil and brush to extend the life of your overlocker
  • Visual guide: Integrated colour coding to simplify automatic thread threading

Brands such as bernette and Juki stand out with complete packages that even include ready-to-use cones of thread. Some competing brands' models surprise with 7 key accessories, while others opt for travel cases for those on the go. Check before buying: some budget kits leave out essentials such as the blind hem foot.

automatic-threading overlocker comparison

Leading models

The market leaders offer features suited to every need:

  • bernette 64 AIRLOCK: automatic air threader for ultra-fast thread changes
  • Juki MO654DE: Economical alternative with adjustable differential feed for family projects
  • bernette 68 AIRLOCK: the perfect transition between entry-level and professional models

Comparison of automatic-threading overlockers: leading models and alternatives

Model

Target audience

Specifications

bernette 64 AIRLOCK

Discerning seamstresses

Automatic air threader • 16 stitches • 2/3/4 threads
• Overlock width 3 to 7 mm • 5 LEDs

bernette 68 AIRLOCK

Professionals

Automatic air threader • 31 stitches
• 4/5 threads • mtc thread control

Juki MO654DE
(560-700€)

Semi-professionals and enthusiasts

Robust • Simplified threading • 2/3/4 threads
• Intuitive manual adjustments

 

Automatic threading changes everything, with high-end models that make preparation child's play. Time savings, flawless seams and ease of use - all that's left is to choose the one that will suit your projects. To refine your choice, a automatic-threading overlocker comparison will help you quickly identify the models that combine practicality and performance.

Whether you're looking for a high-performance overlocker or a reliable Juki sewing machine known for its reliability and precision, all the machines featured in this comparison are available from Verotex.

So don't let frustration take over when threading your overlocker. Simply browse our collection and find the machine that lets you create results as smooth as those of a professional seamstress.

 

What difference does buying from us make?

Free trainingMore than an hour, in-store or remotely
Repair workshopAll brands, even machines not purchased from us
Free deliveryFor purchases of €500 or more