Best Serger Thread of 2026

Ann Hale Avatar
Ann Hale
Last Updated: Jan 8, 2026

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Serger thread is a type of thread that is specifically designed for use with sergers, also known as overlock machines. This thread is typically made from high-quality materials that are strong and durable, allowing it to withstand the high speeds and tension of the serging process. Unlike regular sewing thread, serger thread is typically thinner and stronger, allowing it to create tight, secure seams that are ideal for finishing edges and hems. Available in a wide range of colors and finishes, serger thread is an essential tool for anyone who wants to achieve a professional-looking finish on their sewing projects.

At a Glance: Our Top Picks

AK Trading 4-Pack WHITE All Purpose Sewing Thread Cones (6000 Yards Each) Cover #TOP 1
AK Trading 4-Pack WHITE All Purpose Sewing Thread Cones (6000 Yards Each)
ftb score rating icon 9.8
Mandala Crafts All Purpose Sewing Thread Spools - White Serger Thread Cones 4 Pack - 40S/2 24000 Yds White Polyester Thread for Overlock Sewing Machine Quilting Cover #TOP 2
Mandala Crafts All Purpose Sewing Thread Spools - White Serger Thread Cones 4 Pack - 40S/2 24000 Yds White Polyester Thread for Overlock Sewing Machine Quilting
ftb score rating icon 9.7
AK TRADING CO. Sewing Thread 4-Pack Cover #TOP 3
AK TRADING CO. Sewing Thread 4-Pack
ftb score rating icon 9.5

Top 10 Serger Thread

#TOP 1

AK Trading 4-Pack WHITE All Purpose Sewing Thread Cones (6000 Yards Each)

ST-4PK-WHT651
WHITE
Pack of 4
AK Trading 4-Pack WHITE All Purpose Sewing Thread Cones (6000 Yards Each) Cover
AK Trading 4-Pack White All Purpose Sewing Thread Cones (6000 Yards Each) of High Tensile Polyester Thread Spools for Sewing, Quilting, Serger Machines, Overlock, Merrow & Hand Embroidery

The AK Trading Sewing Thread Cones are high-quality, all-purpose sewing threads that are perfect for a wide range of projects. Each pack includes 4 cones of polyester threads, with each cone containing 6000 yards of thread. The threads have a high tensile strength and low lint, ensuring they won't fray or break easily. They are ideal for use with serge machines and are compatible with various sewing machine brands. Whether you're a professional or a beginner, these threads will simplify your sewing projects and provide excellent results. With their superior strength and long elongation, they eliminate the chances of thread breaks, looping, and puckering, allowing you to complete your projects efficiently and frustration-free.

What We Like
All-purpose
High tensile strength
Compatible with various sewing machines
#TOP 2

Mandala Crafts All Purpose Sewing Thread Spools - White Serger Thread Cones 4 Pack - 40S/2 24000 Yds White Polyester Thread for Overlock Sewing Machine Quilting

YZ-TBST-1GMF
White
Mandala Crafts All Purpose Sewing Thread Spools - White Serger Thread Cones 4 Pack - 40S/2 24000 Yds White Polyester Thread for Overlock Sewing Machine Quilting Cover
Mandala Crafts 4 Pack of Serger Threads Cones Spools - 40S/2 24000 Yards Polyester White Threads for Sergers Machine and Overlock Quilting Sewing Machine

Mandala Crafts White Thread Spools are made from knot-free, heavy-duty, and non-stretch 100% polyester. These high-quality sewing thread cones are ideal for a variety of uses, including serging, quilting, overlock sewing, and hand sewing. The white color of the thread lays flat and creates clean lines without breaks. The spun polyester thread is strong and can withstand high stitching speeds, making it suitable for residential or commercial use with single needle. The bulk sewing thread kit includes four large spools, each with 6000 yards of continuous machine sewing thread, providing a total of 24000 yards. With minimal lint and consistent coloring, this serger thread set is perfect for decorative embroidery stitches.

What We Like
Knot-free
Heavy-duty
High-quality
Minimal lint
Consistent coloring
#TOP 3

AK TRADING CO. Sewing Thread 4-Pack

ST-4PK-BLK653
BLACK
AK TRADING CO. Sewing Thread 4-Pack Cover
AK Trading 4-Pack Black All Purpose Sewing Thread Cones (6000 Yards Each) of High Tensile Polyester Thread Spools for Sewing, Quilting, Serger Machines, Overlock, Merrow & Hand Embroidery.

The AK TRADING CO. Thread Pack includes four high-quality polyester cones, each providing 6000 yards of versatile sewing thread. This all-purpose thread is perfect for a variety of projects, whether you're sewing, quilting, or using a serger machine. With its impressive tensile strength, you can sew with confidence, knowing it won't easily fray or break. The standard weight of 40 makes it suitable for most sewing machines, allowing you to tackle any embroidery task with ease. Plus, having multiple cones of the same color simplifies your projects, making it a great choice for both beginners and professionals alike.

What We Like
High tensile strength
Low lint production
Versatile for various machines
Ideal for quilting and embroidery
#TOP 4

FUNZON Black & White Polyester Serger Thread 8PCS

F0023
Black and White
FUNZON Black & White Polyester Serger Thread 8PCS Cover
Black & White Sewing Thread, 8PCS 40S/2 3000 Yard Spool Serger Thread, All Purpose Polyester Thread Serger Thread Cones

The FUNZON Polyester Serger Thread offers you strong and durable sewing with its 100% polyester material, which resists wear and keeps colors vibrant. You get large 3,000-yard cones, so you won’t have to stop often to reload thread, making your sewing projects smoother. This medium-weight, two-ply thread works well on both woven and knit fabrics, giving you flexibility in your projects. Plus, it’s compatible with various machines, from home sewing machines to industrial sergers, ensuring professional-quality results whether you’re crafting at home or working on garments and textiles.

What We Like
Durable polyester material
Large 3,000-yard cones
Medium-weight versatile thread
Compatible with multiple machines
#TOP 5

JOUTYFOR 8 Pcs Black & White Polyester Sewing Thread 40S/2 3000 Yards

743198_1_LNBqolZV
Black and White
JOUTYFOR 8 Pcs Black & White Polyester Sewing Thread 40S/2 3000 Yards Cover
8 Pcs Black & White Sewing Thread, 40S/2 3000 Yard Spool Serger Thread, All Purpose Polyester Serger Threads Cones for Sewing, Quilting, Machines, Overlock, Merrow & Hand Embroidery

The JOUTYFOR Black White Thread set offers you eight spools of all-purpose sewing thread, with four in black and four in white. Each spool contains a generous 3000 yards, so you won’t have to stop often to change threads, making your sewing projects smoother. Made from 100% durable polyester, this thread is strong, resists wear, and holds its color well, ensuring your stitches last over time. The medium-thickness double-strand yarn is perfect for various uses like sewing, overlocking, and edging on different fabrics. This thread set is a great choice to keep your sewing, quilting, and embroidery work neat and reliable.

What We Like
Long 3000-yard spools
Durable 100% polyester
Includes black and white
Medium-thickness double-strand
#TOP 6

AOFITOA White Polyester Sewing Thread 4 Pack

White and Black
white
Medium
AOFITOA White Polyester Sewing Thread 4 Pack Cover
AOFITOA White Sewing Thread, Serger Thread Cones 4 Pack, 40S/2-24000 Yards White All Purpose Sewing Cone Thread for Sewing,Quilting,Serger Machines,Over Lock Thread,Piecing, Merrow & Hand Embroidery.

The AOFITOA White Sewing Thread is designed with over 20 years of expertise to ensure high quality and reliability. You’ll appreciate the careful attention to detail in its production, which minimizes defects and ensures consistent performance. Made from 100% spun polyester, this thread combines the strength of polyester with a soft, cotton-like feel, giving you a durable, fray-resistant thread ideal for high-speed sewing. Its strong tensile strength means it can handle tough conditions like commercial laundering and bleaching without shrinking. Plus, it works smoothly with many brands of sewing and embroidery machines, making your sewing projects easier and more efficient whether you’re a beginner or a pro.

What We Like
High durability
Minimal lint
Wide machine compatibility
Careful quality control
Soft cotton-like feel
#TOP 7

American & Efird Thread 4 Cones of Polyester Threads for Sewing Quilting Serger

2743 M
White
American & Efird Thread 4 Cones of Polyester Threads for Sewing Quilting Serger Cover
4 Large Cones (3000 Yards Each) Text 27 Polyester Sewing Quilting Serger Maxi Lock All Purpose Thread White or Black (White)

The A&E Polyester Thread 4 Cones is a set of high-quality 100% polyester threads designed for sewing, quilting, and serging. Each cone contains 3000 yards of thread, providing you with a total of 12000 yards. The thread has excellent seam strength and consistent sewability, ensuring durable and reliable stitches. It is also mildew and UV light tolerant, making it suitable for outdoor projects. Additionally, the thread is shrink and abrasion resistant, ensuring that your creations will withstand regular use and washing. With the A&E Polyester Thread 4 Cones, you can confidently tackle a variety of sewing projects with ease and achieve professional-quality results.

What We Like
Durable stitches
Mildew and UV light tolerant
Shrink and abrasion resistant
#TOP 8

New brothread All Purpose Polyester Thread

NB-ST-US-4PK1001
4xCream
5500Y (5000M)
New brothread All Purpose Polyester Thread Cover
New brothread - 30 Options - 4 Large Cones of 5500Y (5000M) Each All Purpose Spun Polyester Thread 40S/2 (Tex27) for Serger, Overlock, Quilting, Piecing and Sewing - Cream

New brothread Thread is a value pack of 4 large cones of 5500 yards each, providing a total length of 22000 yards. The all-purpose spun polyester thread is 40S/2 (Tex27) and comes in 28 popular colors for your choice. The thread is compatible with all sewing and serger machines, including commercial machines, without breaking or fraying. It is ideal for daily quilting, serger, overlock, piecing, machine sewing, and other hand sewing crafts. The advanced production process and strict production control provide great durability, color fastness, and no shrinking, even when subjected to commercial laundering, bleaching, and other harsh chemicals. All the colors of the thread can convert to Coats Colors, making it easy for you to get corresponding colors for your quilting and sewing projects.

What We Like
Compatible with all machines
Great value pack
Wide application for all purposes
Great durability
28 popular colors available
#TOP 9

American & Efird GGM-520 Maxi Lock Thread Pack

GGM-520
White
American & Efird GGM-520 Maxi Lock Thread Pack Cover
American & Efird GGM-520 Maxi Lock All Purpose Value Pack Thread Spool, 4, White

The American & Efird Maxi Lock Thread is designed for your light to medium weight sewing projects, especially when working with structured fabrics. It’s perfect for overlock sewing and creating clean, strong hems, whether you’re using standard or blind stitch techniques. This value pack includes four large spools, each with 3000 yards of durable spun polyester thread, giving you plenty of material for multiple projects. With this thread, you’ll find it easier to complete your sewing tasks efficiently and with professional results, making it a reliable choice for your crafting needs.

What We Like
Versatile for various fabrics
Suitable for overlock and hems
Large 3000-yard spools
Durable spun polyester
#TOP 10

Tortoise 4 Cones Sewing Thread 3000 Yards Each

tortoise
40S/2
White
40S/2
Tortoise 4 Cones Sewing Thread 3000 Yards Each Cover
Tortoise 4 Cones of 3000 Yards Each Spool Thread for All Purpose, Serger, Overlock, Quilting, Sewing Machine - 100% Polyester - 40S/2 White

The Tortoise 4 Cones Sewing Thread set includes four spools, each with 3000 yards, providing a total length of 12000 yards. It is made of high-quality 100% polyester, which is soft, strong, and does not fray or break easily. The advanced twisting technology and air splicing technology make it almost seamless, and the electric control of the silicone oil ensures more stable quality. It can work on most brands of sewing machines or high-speed sewing machines. The product has high color fastness and strength, making it a reliable choice for sewing.

What We Like
Includes four spools with each one 3000 yards, providing a total length of 12000 yards
Made of high-quality 100% polyester that is soft, strong, and does not fray or break easily
Advanced twisting and air splicing technology ensures almost seamless threading
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What kind of thread do you use for serger?

For sergers, cone thread is commonly used. Cone thread, available in polyester or cotton, is versatile and suitable for seaming, finishing edges, and other serging tasks. It comes in larger quantities compared to regular machine thread due to the high thread usage in sergers.

2. What is the difference between serger thread and regular sewing thread?

The main difference between serger thread and regular sewing thread is strength. Serger thread is generally weaker and sometimes has only two plies, while regular sewing thread usually has three plies. In case of urgency, regular sewing thread can be used in a serger, especially thinner threads like Mettler or Guttermann.

3. Can I use regular thread in a serger?

In a pinch for color matching, regular spools of sewing thread can be used in a serger. Thinner threads like Mettler or Guttermann are preferred in this case. However, cone thread is recommended for optimal performance and to ensure an adequate supply of thread for serging.

4. What size thread is a serger?

Sergers typically use 40 weight thread. The weight number indicates the thickness of the thread, with higher numbers representing thinner threads. However, other weights such as 50 can be purchased if necessary.

5. What is the difference between serger 3 thread and 4 thread?

The 3-thread overlock is similar to the 4-thread overlock but uses only one needle. This stitch offers more flexibility and is suitable for seaming light to medium weight fabrics or knits where a less bulky seam is desired.

6. Why do sergers use cones of thread instead of spools?

Cones of thread are preferred for sergers over traditional spools because cones can hold a larger quantity of thread. Using cones is more cost-effective as larger spools result in greater savings due to reduced winding process costs.

7. What stitch is closest to a serger?

The overlock stitch is the most commonly used stitch on sergers. The default settings for this stitch are usually indicated on the machine with a small dot next to the number four on tension dials. This stitch is versatile and can be used for various serging applications.

8. Do you have to use all 4 threads on a serger?

No, you do not have to use all 4 threads on a serger. It is possible to use 3 threads as long as both loopers are threaded. On a serger with two needles, you can leave one needle empty while ensuring both upper and lower loopers are threaded for the stitch to chain properly.

9. Is serger thread thinner than regular thread?

Yes, serger thread is generally thinner or finer than regular sewing machine thread. It is designed to avoid creating bulky seams and needs to be smooth and consistent since it passes through multiple pathways in a serger.

Editor's Notes

During our serger thread research, we found 24 serger thread products and shortlisted 10 quality products. We collected and analyzed 68,966 customer reviews through our big data system to write the serger thread list. We found that most customers choose serger thread with an average price of $16.41.

The serger thread are available for purchase. We have researched hundreds of brands and picked the top brands of serger thread, including AK TRADING CO., Mandala Crafts, FUNZON, JOUTYFOR, AOFITOA. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Ann Hale Avatar

Ann Hale is a seamstress, pattern maker, and fashion designer with extensive sewing experience. She has worked in the fashion industry for over 10 years now after receiving Associates's Degree in fashion design in 2010. Also as a writer, she has many creative and unique insights when it comes to articles.