BERNINA L 660
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BERNINA L 660
label.item 0190669106
BERNINA L 660 image number

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Easy overlocking


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  • Illuminated One-Step BERNINA Air Threader
  • Easily thread the needle with the built-in threader
  • BERNINA Free Hand System with Feed Dog Drop
  • Program your needle stop, up or down? The choice is yours!
  • Easy-to-operate knife from outside
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Getting started has never been so comfortable

  • Illuminated air threader
  • All-in-one magnetic looper cover
  • Integrated needle threader

The innovative magnetic all‑in‑one looper cover allows quick and intuitive threading preparation. The illuminated One‑Step BERNINA Air Threader and the integrated needle threader make getting started so effortless that you can dive straight into your creative world.

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Convenient handling

  • Free Hand System with Feed Dog Drop
  • Swing-out presser foot 
  • 2-step presser foot lift

With the BERNINA Free Hand System (FHS), you can easily raise and lower the presser foot using the knee lever while simultaneously lowering the feed dog, allowing you to easily position and remove your sewing project. In addition, the presser foot can be swung out to the side for convenient access to the needles. Thanks to the 2-step presser foot lifter, you can position even thick or multi-layered projects effortlessly and precisely.

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Sew as you like

  • Programmable needle stop
  • Set the speed to your liking
  • Sewing light with dimmer

Control your L 660 exactly as you wish: With the BERNINA foot control, you can sew precisely stitch by stitch, and the back-kick function lets you raise or lower the needle with ease. The speed can be easily adjusted using the slider on the front panel, while the presser foot pressure can be customized for thin or thick fabrics. The dimmable sewing light creates the perfect atmosphere for precise work. Thanks to the powerful DC motor, you maintain perfect control at all times.

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Precision in every detail

  • Micro Thread Control (mtc)
  • Differential feed
  • Total stitch control

With Micro Thread Control (MTC), you can fine-tune the looper thread amount for a flawless fabric edge. Just like any other setting, you can adjust the looper thread amount at any moment to achieve perfect stitches every time, even while you’re sewing. The stepless differential feed keeps even delicate or highly elastic fabrics beautifully smooth and free from puckering. It is this Total Stitch Control by BERNINA that gives you the freedom to create unique effects.

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Everything in view and within reach

  • Magnetic tool holder
  • Accessory box with tool insert 
  • Overlock Foot with Tape Guide #L11

With its open tape guide, the Overlock Foot #L11 is your go‑to solution for any fabric, from fine to heavy – and ideal when adding tape to your projects. Keep your tools exactly where you expect them with the magnetic holder, ensuring tweezers and scissors are always within reach. Prefer things neatly tucked away? The practical accessory box with its integrated tool‑insert lid keeps everything secure and beautifully organized.

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Clever, spacious and compact by design

  • Easy to operate knife from outside
  • 3 to 9 mm stitch width
  • Slide-on Table included

The L 660 provides a bright, spacious sewing area that gives you maximum creative freedom while maintaining a minimal footprint. Effortlessly guide large or heavy projects across the sturdy Slide‑on Table. Precisely adjust the knife position to the desired stitch width, up to 9 mm. For seams without cutting the fabric, the knife can be easily deactivated from the outside at any time.

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Extremely fast, precise & quiet

  • Sew up to 1,200 stitches per minute
  • Powerful, consistent performance & precision
  • Extremely smooth operation

With the L 660, you can sew extremeley fast at speeds of up to 1,200 stitches per minute or stitch by stitch with maximum precision. This makes it even easier to create precise lines and curves. All this with the smooth operation for which BERNINA has always been known.


Features and Functions

BERNINA L 660
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Anschluss für Kniehebel (FHS) BERNINA
Nadelstopp oben/unten, permanent (oben/unten)
Freearm length to the right of the needle [inch / mm]
114 mm
Needle threading, semi-automatic
Sewing stitches (overlock/cover)
18
Stitch pattern card
Stitch-by-Stitch Sewing
Color-coded One-path Threading
One-step BERNINA Air Threader (for looper threads)
Micro Thread Control (mtc)
Speed Selection Switch
Rolled Hem Selection Lever
Anschluss für Kniehebel (FHS) BERNINA
Nadelstopp oben/unten, permanent (oben/unten)
Foot control with back-kick
Needle Pad
Abmessungen der Maschine B x H x T [mm]
13 x 11.8 x 11.4 "
Gewicht Maschine
9,900 g
Freearm length to the right of the needle [inch / mm]
114 mm
Workspace height [inch / mm]
85 mm
Spool holder [number]
4
Main motor, Type
DC
Hammer-mode for piercing force
Needle threading, semi-automatic
Number of LEDs
6
Machine Type
mechanical
Total stitch control
Stitch width max [mm]
9 mm
Sewing speed maximum [spm]
1,200 spm
Sewing speed minimum [spm]
250 spm
Sewing stitches (overlock/cover)
18
Presser Foot Safety Switch
Safety Switch for Open Cover, Pulse Drive
Safety Switch for Open Cover
Safety Switch for Active Needle Threader
Slide-on table
Stitch pattern card
Free Hand System (FHS) knee lifter
Dust brush
Needle assortment
Net for upper thread spools
Dust cover machine
Accessory box
Upper Looper Converter
Knife Cover Insert
Grand Sewing Space (overlock, cover)
Stitch-by-Stitch Sewing
Pulse Drive
Color-coded One-path Threading
Threading Chart
Needle Checking Window
One-step BERNINA Air Threader (for looper threads)
Thread Feed Into Air Threader Nozzle
Threading in Any Sequence
Thread cutter, head / left
Differenzialtransport einstellen rechts
Micro Thread Control (mtc)
Speed Selection Switch
Carry Handle and Recessed Grip
Built-in Upper Looper Converter
Easy to Engage/Disengage Knife from Outside
Rolled Hem Selection Lever
Stitch Finger Adjustable

Tutorials

Simply Enjoyable! The New BERNINA L 6 Series Overlock & Coverstitch Machines Elevate Every Seam
Discover the new BERNINA L 6 Series Overlock and Coverstitch machines as Anna (sew.lala), Serena (SewRena), and Christin (designerella.bella) test the L 660, L 650, and L 620 in Zurich. Each model shines with unique strengths—from effortless threading to professional finishing. Key advantages of the L 6 Series: - One‑Step BERNINA Air Threader for fast, simple threading across all models - Differential Feed for perfect seams without waviness or for controlled gathering - Powerful, quiet DC motor delivering up to 1,200 stitches per minute - Premium Coverstitch comfort on the L 620, including integrated needle threader & dimmable light From rolled hems to decorative flatlocks and top‑quality coverstitches – each machine opens up new creative possibilities. Visit https://www.bernina.com/l6series for more info
Simply Enjoyable! The New BERNINA L 6 Series Overlock & Coverstitch Machines Elevate Every Seam
Getting Started with the BERNINA L 660, L 650 & L 620 | First Steps with the L 6 Series
Get ready to start your journey with the BERNINA L 660, L 650 and L 620. Join Doris from BERNINA International in Switzerland as she guides you through the essential first steps, key functions, and unique features of the BERNINA L 6 Series. Perfect for your first hands-on experience with these exceptional machines. Visit your local BERNINA dealer or learn more about the L 6 Series here: https://www.bernina.com/l6series Note: Not all models are available in all countries. This video and its contents were produced without AI. 00:00 – Welcome and introduction Doris 00:25 – Overview and video contents L 650, L 660, L 620 00:59 – L 6 series similarities and differences, shown with the L 650 01:03 – Getting started 01:34 – Foot control and sewing speed 02:10 – Needle stop 02:25 – Swing-out presser foot 02:45 – Two-step presser foot lifter 03:01 – Presser foot change 03:23 – Looper cover open/close L 650/660 03:45 – Accessories box 03:20 – Standard foot with tape guide 04:13 – Needles 04:24 – Magnetic tool holder 04:33 – L 660 and L 620 differences 04:45 – L 650 threading video link 04:55 – Free hand system with knee lifter, feed dog drop 05:40 – Sewing light on/off with dimmer function 06:05 – Sewing speed slider 06:18 – Foot control with back-kick function 06:36 – Programmable needle stop up/down 07:17 – Slide-on table L 660 07:58 – L 620 differences 08:05 – Coverstitch insert for slide-on table 08:11 – Looper cover open/close L 620 08:19 – Coverstitch insert change 08:58 – Slide-on table L 620 09:09 – Summary and link to more video tutorials 09:28 – Closing remarks
Getting Started with the BERNINA L 660, L 650 & L 620 | First Steps with the L 6 Series
BERNINA L 660, L 650 and L 620, Cleaning and Oiling
Get ready to start your journey with the BERNINA L 660, L 650 and L 620. In this video tutorial, Doris from BERNINA International in Switzerland will show you how to clean and oil your BERNINA L 660, L 650 and L 620, as a little tender love and care now and then keeps your machine running smoother for many hours of pleasant sewing. Visit your local BERNINA dealer or learn more about the L 6 Series here: https://www.bernina.com/l6series Note: Not all models are available in all countries. This video and its contents were produced without AI. In this video, you'll discover: 00:00 – Welcome and introduction Doris 00:26 – Overview and video contents L 650, L 660, L 620 00:55 – Frequently asked questions: cleaning frequency and oiling spots 01:59 – Cleaning, shown with the L 650 02:08 – Cleaning the looper area 03:47 – Oiling the upper looper arm 05:10 – Cleaning the looper pipes 06:09 – Cleaning the thread cutter 06:34 – Cleaning the rubber feet 06:53 – Closing remarks
BERNINA L 660, L 650 and L 620, Cleaning and Oiling
BERNINA L 660 and L 650, stretchy seams with 4- and 3-thread overlock
Are these your first stitches with your BERNINA L 660 and L 650? Doris from BERNINA International in Switzerland will show you, how you can sew stretchy seams or neaten edges. You will also see how to sew seam begin and end in a circle as well as how you can optimize your stitch if you want. And on top of all, get the tip for easy unpicking 4-thread overlock. Visit your local BERNINA dealer or learn more about the L 6 Series here: https://www.bernina.com/l6series Note: Not all models are available in all countries. This video and its contents were produced without AI. 00:00 – Welcome and introduction Doris 00:22 – Overview and video contents L 660 and L 650 00:45 – Stitch selection and settings 01:25 – Link to threading video 01:29 – Link to video with overlock settings, tips and tricks 01:35 – Sewing test overlock 03:09 – 4-thread overlock examples 03:46 – 3-thread overlock tips and examples 05:18 – Need a stitch recommendation, use the creative consultant 05:42 – Sewing in a circle, tips for seam begin and end 07:53 – Link to video rolled hems and tips for seam begin and end 08:03 – Knife activation 08:22 – Stitch optimization tips 09:58 – Stitch optimization basics 11:01 – Example stitch optimization with thread tensions 12.57 – Effects when changing the stitch length 13:39 – More elasticity with a shorter stitch length 14:24 – Tips to avoid faulty seams 15:47 – Tips for stitch optimization of 3-thread overlock 16:20 – Tips to avoid seam puckering 19:25 – Tip for sewing with decorative threads 19:49 – Stitch optimization basics and information in your user manual 20:18 – Total stitch control 20:31 – Link to video with overlock settings, tips and tricks 20:41 – Tip for unpicking 4-thread overlock easily 22:00 – Summary and recommendation to use the blog, website and to visit a dealer, link to more video tutorials 22:31 – Closing remarks
BERNINA L 660 and L 650, stretchy seams with 4- and 3-thread overlock
BERNINA L 660 and L 650, decorative rolled hems with 3 and 2 threads
Get ready to start your journey with the BERNINA L 660, L 650 and L 620. In this video you will see how to sew decorative rolled hems with 3 and 2 threads and what the 3-thread narrow seam looks like on your L 660 and L 650. And do you know yet what a 3-thread picot stitch is? We will have a look at seam begin and end and you receive tips for sewing in a circle. And if you don't know yet, you will learn how to optimize the stitch when using for example embroidery or texturized or other decorative threads. Visit your local BERNINA dealer or learn more about the L 6 Series here: https://www.bernina.com/l6series Note: Not all models are available in all countries. This video and its contents were produced without AI. 00:00 – Welcome and introduction Doris 00:22 – Overview and video contents 00:44 – Stitch selection and settings 01:31 – Link to threading video 01:36 – Link to video with overlock settings, tips and tricks 01:39 – Sewing test 3-thread rolled hem 03:26 – What is 3-thread narrow seam? 04:16 – What is 3-thread picot stitch 05:30 – What is 2-thread rolled hem 06:05 – Need a stitch recommendation, use the creative consultant 06:24 – Sewing in a circle, tips for seam begin and end 08:35 – Knife activation 09:02 – Stitch optimization tips 09:58 – Stitch optimization basics 09:37 – Stitch optimization 3-thread rolled hem with thread tensions and stitch length 12:14 – Tips to avoid seam puckering 13:27 – Stitch optimization with cutting width settings 13:46 – Tip for sewing with decorative threads 14:11 – Total stitch control 14:25 – Link to the video with overlock settings, tips and tricks 14:32 – Stitch optimization information in your user manual 14:38 – Summary and recommendation to use the blog, website and to visit a dealer, link to more video tutorials (14:58) 15:12 – Closing remarks
BERNINA L 660 and L 650, decorative rolled hems with 3 and 2 threads