Overlock Sewing Machine: 7 Reasons to Embrace It in 2026

Coverstitch machine , this still little-known machine is a major asset for achieving a professional sewing finish on your jersey or knit garments. Unlike a simple sewing machine or a overlocker , the sewing coverstitch machine allows you to make double hems flexible, strong, and attractive, 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, its advantages 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 sewing coverstitch machine can become a valuable ally for your finishing touches.

What is a coverstitch machine?

The sewing 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  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 sewing coverstitch machine is to create strong and attractive hems on stretch garments.

• Double-stitched hems 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 complement each other but serve different functions. Here is a comparison chart:

How to use a coverstitch machine effectively?

How to use 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 to sew with a sewing coverstitch machine?

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

• T-shirts, tops, sweatshirts, and jerseys
• Leggings, sports pants
• Swimwear, 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 lightweight creations like blouses, dresses, or everyday accessories.

Bonus for coverstitch machine: 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 fine fabrics
• Regularly clean the loopers
• Prefer a  clear foot for better visibility

Coverstitch machine FAQ

Is a coverstitch machine essential for sewing jersey?

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

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

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

Does the coverstitch machine cut the fabric?

No, it does not have a built-in 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?

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 for neat, flexible, and strong hems, while perfectly adapting to stretchy fabrics like jersey or the stretch . Unlike the serger, it does not cut but complements your projects with precision. If you want to improve your finishes or create comfortable garments with a flawless look, investing in a coverstitch machine is an excellent choice.