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SKU: 850178112

coverlock™ 4.0 Serger

If you're looking for a serger that has everything, then the coverlock™ 4.0 is for you! Its ultra-modern design, huge selection of stitches and sophisticated extras deliver ultimate perfection and creativity. 

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Even more features than coverlock™ 3.0 including:

  • LCD graphic touch screen with info on how to use each stitch
  • 2 additional stitches for a total of 25
  • Thread tension, differential feed and stitch length auto set - simply select a stitch and start to sew!
  • Save & name your favorite settings
  • Remembers last stitch sewn when powering back on to continue your project
  • 5 speeds - sews up to 1100 stitches/minute
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Are you looking for the overlock machine that has everything? This machine offers all the features for perfection and creativity plus even more sophisticated extras.

5, 4, 3, 2 thread sewing

Many options for utility and decorative sewing.

LCD screen

Graphic touch screen gives all the necessary information for the stitch you select. Includes multi languages and how to use each stitch.

Spacious Large sewing space for coverstich projects.

Extension table included gives an extra large support for beautiful results.

25 stitches

Trim, stitch, overcast and decorate projects in half the time.

Coverstitches – great for sewing elastic hems, perfect for finishing all kind of knitwear.

Chainstitches– Join fabric layers where a traditionally pressed open seam is required. Works well as a basting stitch.

  • 5-thread overlock– combines two stitches for durable and reliable seams.
  • 4-thread overlock– reinforced overlock stitch for perfect sewing, trimming and finishing.
  • 3-thread overlock– wide and narrow overlock seams and decorative techniques.
  • 2-thread overlock– rolled edge and flatlock, wide and narrow.

Built-in rolled edge– sew 2 or 3-thread rolled hems quickly without changing the presser foot or stitchplate.

Automatically sets thread tension, differential feed and stitch length

Select the stitch and start to sew.

Adjustable settings

All settings can be adjusted for special fabrics and techniques.

Dual LED light sources

Maximum illumination of the sewing area for optimal visibility.


Save your personal settings for each stitch, uniquely naming them for instant recall.

Last Stitch

Remembers latest stitch sewn when powering back on to instantly continue your project.

Tension Release

Threads pull easily when presser foot is up.

Easy to change from overlock stitches to coverstitches

No needle plate/presser foot change needed at conversion for different stitches.

Differential feed

Adjustable for perfectly even seams, no stretching of the seam or puckering of fine fabrics.


Sews 1100 stitches per minute. Sew faster, save time.

5 sewing speeds – Easily adjustable when you want more precision for different techniques.

Lay-in tension and color coded thread paths

For quick and convenient threading.

Extra presser foot height

Room for sewing several layers or heavy fabrics.

Movable upper cutter

Disengage the cutter for special techniques.

Built in two thread converter

Easy conversion to 2-thread stitches.

Easy threading instructions

Step-by-step interactive DVD and printed pictorial.

Thread cutter

Conveniently placed for quick cutting of threads.

Built in extended carrying handle

Move the machine without tangling the threads.

Waste tray

Catches fabric trimmings.

Safety lockout

When the front cover is open the machine will not sew.

Included Accessories

Accessory box, Screwdriver, Knife blade (for the movable upper cutter), 5 Thread unreeling discs, 5 Thread spool nets, Oiler, Allen key, Tweezers (placed on the inside of the front cover), Coverstitch table B (for Cover/Chainstitch), 5 Cone holders, Lint brush, Dust cover, Waste tray, Stylus (placed on the inside of the front cover), Needle threader, Extension table including four legs and push pin, Needle pack.