What Thread to Buy for Overlocker: A Comprehensive Guide

It provides excellent stitch formation, durability, and a smooth, even finish, making it an ideal choice for all your overlocking needs. Whether you’re working on lightweight fabrics or heavy-duty projects, this thread delivers optimal performance and reliability. The core-spun construction ensures enhanced strength and stability, preventing thread breakage or fraying during stitching. It’s also extremely versatile, as it can be used for a wide range of applications, from constructing garments to creating professional-looking hems and seams.

What Is the Difference Between 2 3 and 4-Thread Overlocker?

When it comes to overlockers, there are various thread options available in the market. One important factor to consider is the number of threads that the overlocker requires. There are primarily three types of overlock sewing machines: 2-thread, 3-thread, and 4-thread overlockers. Each type has it’s own purpose and benefits.

A 2-thread overlocker utilizes only two threads, which are usually two different colors. This type of overlocker is ideal for lightweight fabrics and delicate stitches. It creates a narrow and neat edge finish, perfect for decorative purposes or creating a more refined look on garments.

This type of overlocker is the most versatile and is capable of creating strong, secure, and durable seams. It’s widely used for professional garment construction, as well as for finishing edges on fabrics that may experience heavy wear and tear.

When it comes to purchasing thread for an overlocker, one popular option is the Madeira Aerolock Premium Serger thread. This top-quality thread is made of 100% core-spun polyester, which ensures it’s durability and longevity. It’s specially designed to withstand frequent washes and strains, making it ideal for use with overlock and coverlock machines.

The Madeira Aerolock Premium Serger thread is particularly suitable for the Janome CoverPro family of machines. It’s compatible with both 3-thread and 4-thread overlock stitches, allowing you to achieve professional results. It’s core-spun construction provides excellent strength and elasticity, ensuring that your seams stay secure even with heavy use.

Pros and Cons of Each Type of Overlocker Discussing the Advantages and Disadvantages of Using 2-Thread, 3-Thread, and 4-Thread Overlockers.

When it comes to choosing the right thread for your overlocker, it’s important to consider the pros and cons of each type.

A 2-thread overlocker uses only two threads, which can be beneficial if you’re looking for a lightweight and delicate finish. It’s perfect for lightweight fabrics and decorative stitching. However, it may not provide the strongest seam compared to the other options.

On the other hand, a 3-thread overlocker offers more versatility. It provides a secure and durable seam, making it suitable for a wide range of fabrics. The third thread adds extra strength to the stitch, making it ideal for garment construction and regular sewing tasks.

If you require even stronger and more stable seams, a 4-thread overlocker is the way to go. This type of overlocker uses two needles and four threads, offering superior seam stability and strength. It’s excellent for heavy-duty fabrics, knits, and active-wear construction.

Overall, the type of overlocker thread you choose will largely depend on the type of project you’re working on. Consider the fabric weight, desired seam strength, and the intended use of the finished product.


It’s exceptional quality and durability make it a trusted option for handling frequent washes and strain.

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