Overlock sewing machine: 7 reasons to embrace it in 2025

Coverstitch machine , this still little-known machine is nevertheless a major asset for achieving a professional sewing finish on your jersey or knit garments. Unlike a simple sewing machine or to a overlocker , the coverstitch machine allows you to make double hems flexible, strong, and aesthetic, like those found in commercial clothing. It is ideal for those who want to take their jersey stretch sewing or who want to reinforce their creations with coverstitch seams nets and elastics.

In this article, we will explain in detail what a coverstitch machine, how it works, what its advantages are compared to other equipment, and what projects you can create with it. Whether you are a beginner or already equipped, you will discover why the coverstitch machine can become a valuable ally for your finishing touches.

What is a coverstitch machine?

The coverstitch machine is a specialized machine that allows you to make coverstitch seams, also called double hems, on stretch fabrics like jersey.

• Make a coverstitch with two or three needles
• Allows for  professional finishes on stretch fabrics
• Used for everyday clothing and technical knitwear

What is a coverstitch machine used for in sewing?

The main use of the coverstitch machine is to create strong and aesthetic hems on stretch garments.

• Double stitch hem on t-shirts, sweatshirts, leggings
• Visible decorative stretch seams
• Reinforcement of tension areas: necklines, sleeve hems, waistbands

What is the difference between a coverstitch machine and an overlocker?

These two machines are complementary but do not perform the same functions. Here is a comparison table:

How to use a coverstitch machine effectively?

Proper use of a sewing coverstitch machine requires precision and practice. Here are the essential basics.

• Use stretch needles or ELx705
• Adjust the thread tension according to the fabric
• Test on a  fabric scrap before starting
• Do not pull on the fabric while sewing

What projects can you sew with a coverstitch machine?

The coverstitch machine is ideal for all stretch fabric projects or to provide a quality finish.

• T-shirts, tops, sweatshirts, and jerseys
• Leggings, sports pants
• Swimsuits, lingerie
• Children's clothing or baby pajamas

At the same time, if you are also exploring projects with non-stretch fabrics that are just as pleasant to sew, discover the use of cotton poplin, a versatile fabric perfect for light creations like blouses, dresses, or everyday accessories.

Bonus for coverstitch machines: common mistakes and tips

To get the most out of your coverstitch machine , here are the mistakes to avoid.

Common mistakes:

• Confusing coverstitch machine and serger
• Not stabilizing the hem → ripples
• Ignoring maintenance → lint buildup

Tips:

• Use a stabilizer for thin fabrics
• Regularly clean the loopers
• Prefer a  transparent foot for better visibility

FAQ on coverstitch machines

Is the coverstitch machine essential for sewing jersey?

No, but it significantly improves the quality and elasticity of hems.

What is the difference between a coverstitch machine and an overlocker?

The coverstitch machine makes hems, the serger cuts and sews the fabrics.

Does the coverstitch machine cut the fabric?

No, it does not have an integrated knife.

Are specific needles needed for a coverstitch machine?

Yes, stretch or ELx705 needles are highly recommended.

Which coverstitch machine model to choose for beginners?

The models Janome CoverPro and Juki MCS-1800 are ideal to start with.

Conclusion

The sewing coverstitch machine is the ideal tool to give your creations a professional finish worthy of ready-to-wear. Thanks to its coverstitch , it allows neat, flexible, and strong hems, while perfectly adapting to stretch fabrics like jersey or stretch . Unlike the serger, it does not cut but complements your projects with precision. If you want to improve your finishes or make comfortable garments with a flawless look, investing in a coverstitch machine is an excellent choice.