Why Does My Thread Keep Breaking?

  • By: joleenllorence
  • Date: May 29, 2023
  • Time to read: 7 min.

Why is my thread always breaking? Why does my thread keep breaking? Sewing can be fun and creative but can also be frustrating when the thread is constantly breaking. You can cause thread snapping by using the wrong line or tension.

We’ll discuss common causes and provide tips and tricks to help you troubleshoot this frustrating problem.

What is a Sewing Thread?

Sewing threads are unique yarns made to pass quickly through a sewing machine. They can form strong stitches, without breaking down or becoming damaged during their useful lives. The fundamental function of yarn is to produce aesthetics and perform in seams and stitches.

What Factors Influence The Functionality Of A Sewn Thread?

For decorative purposes such as top stitching and embroidery, it is essential to consider the color, luster as well as fineness / thickening.

  • Mixing of hues and shades
  • Stitch selection
  • Uniformity in stitch formation
  • Factors affecting performance
  • Fabric thread should be strong enough to withstand wear, heat, abrasion, stretching, and subsequent repair.

Different Types of Sewing Machine Thread

Silk Sewing Machine Thread

Silk thread is fine and great for natural sewing fibers like silk or yarn. It is solid and can withstand high temperatures making it ideal for tailoring. Silk thread can also be used for basting. When used with the correct needle, it won’t leave unattractive holes in the fabric.

sewing machine thread

Cotton Sewing Machine Thread

Cotton thread works best when sewing machine thread keeps breaking with natural fiber fabric. Cotton thread is very heat-resistant so that it can press seams. Mercerized cotton threads can be dyed with a smoother coating. This makes them more accessible to dye and gives them a lustrous, soft look. Cotton thread has less flexibility and is more likely to snap.

Polyester Sewing Machine Thread

The high temperatures of polyester thread are unlike cotton and can cause damage if heated. You can press synthetic fabrics with a low heat setting. This is why it’s okay. This thread offers more flexibility than cotton. A polyester thread is more flexible than cotton threads because it can slip through fabric with less effort than other threads.

All-Purpose Stitch Machine Thread

All-purpose thread is cotton wrapped around polyester. This thread is the cheapest and best for most projects. However, we recommend you get the best thread possible for a significant task.

Elastic Sewing Machine Thread

In the bobbin, elastic thread is used with regular cable. It can be used in the bobbin with a regular line on top to create a quick-shirred or smocked look. 

Common Causes and Provide Tips and Tricks to Help You Troubleshoot the Problem

Incorrect Tension

Incorrect tension can lead to thread breakage. Too tight tension causes the thread to snap. In the opposite situation, if the tension is too loose, the thread may become tangled and cause breakage. You can solve this problem by setting the tension to the right level.

Needle That Is Damaged Or Dull

A damaged or dull needle is another cause of thread loss. The needle cannot penetrate the fabric properly if it is blunt. This causes the thread to break and fray. It can also cause the thread’s to fall if the needle has been bent or damaged. It is important to use the right needle size and keep the needle in good condition.

Wrong Thread Type

Top thread keeps breaking can also be caused by using the wrong kind of thread. A heavy-duty thread is recommended for sewing denim. Finer threads are recommended for sewing delicate fabrics such as silk and other silk. The wrong thread can cause the thread to snap because it may not be able to resist the tension or weigh the fabric.

Bobbin Issues

Thread breaking can also occur when there are bobbin problems. If the bobbin has too little thread or isn’t correctly inserted, the thread can break. Before you start sewing make sure that you correctly insert the bobbin and that there is enough thread.

Sewing Speed

Sewing too fast can lead to thread breakage especially when sewing thicker or denser fabrics. Reduce the speed of your stitching to reduce tension and prevent thread from breaking.

Why Do My Threads Keep Breaking?

Making mistakes while sewing can prove to be extremely frustrating. Sewing projects that keep breaking are not easy to complete.

It is not easy to diagnose broken threads. Your thread can break for many reasons. I decided to take the opportunity to post a troubleshooting guide. We’ll look at common thread breaking causes and offer tips to solve the problem.

If you are experiencing thread breakage frustrations, this article will help answer the “Why my thread keeps breaking” question and provide quick fixes so you can return to the fun part sewing machine needle keeps breaking.

Why is your Sewing Machine breaking threads?

Why does my thread keep breaking? There are many situations that can cause thread to break.

  1. Thread Stretched Out
  2. Unusual Knots: Thread Knitted
  3. Stitches should be tight
  4. Sewing without stitching
  5. Tension in the Hands or Feet
  6. Bobbin does not wind correctly

Choose the Thickness of the Sewing Machine thread

There are different thread weights. Thicker lines are better for sewing thicker materials. Before selecting a thread for your project, consider how it will be used and what stresses and strains the seams will face.

Adjusting the thickness of your thread will require you to adjust the tension. Always check your stress when you make any changes to fabric, needles, or thread. Choose a needle with an eye large enough to allow the thread through.

Choosing the right color of thread for a project can be challenging. You may not find the right line to match all fabrics. Consider which thread is most discreet if you have a patterned fabric.

Never be afraid to take a snip of your fabric to the store. You can see the thread and the fabric color in sunlight to confirm they are the same. The shopkeeper is used to customers taking items outside to verify, but it’s best to ask!

Light can change the shade of a color. For example, what you thought was a perfect color match under artificial lights might appear completely different in daylight.

The darker thread is the best choice if there are two similar threads to the fabric. A lighter line will stand out more, while darker threads blend into the seam.

It is best to stick with the background color when using patterned materials. Your stitching should only be prominent if the stitching is a distinctive feature. If you need help deciding what color to use or know which background color to choose, testing a few shades is a good idea.

Feel free to use the same fabric shade for your topstitching thread. Topstitching can be done in complementary or contrasting colors.

Make Sure You Do These Things Right

It is crucial to follow these steps correctly.

  • The needle may be bent, worn or blunt. Take a look at your needle to see if you need to replace it. Sometimes, the needle can be sharpened using a file. But if this doesn’t work, I recommend buying fresh ones.
  • The bobbin may have been badly wound. This could indicate that your thread isn’t matching up with your higher thread (when you pull them apart). You can fix this by taking both spools apart and winding them together.
  • You inserted your needle in the wrong way. This happens more often than people think. You should always insert your needle in the slot to sew facing away from where the shuttle hooks are. If this happens, it can cause friction and eventually break.
Frequently Ask Questions

Why does my sewing machine needle keep breaking?

Metallic thread is synthetic and stronger than other thread types. This means that it has less u0022giveu0022. Many metallic threads of lower quality have thread twisting. Twisting metallic thread can increase tension and make it break.

Why Does My Needle Thread Keep Breaking Into Thick Materials?

Adjusting your machine’s settings to change the fabric thickness will help you adjust them. Your thread might be too thin, old, damaged, or too tight if it keeps breaking.

Why Is My Upper Thread Constantly Breaking Even When Using Stretch Thread?

Your elastic thread may break when you sew. There are several possible causes. Your needle should be the correct size.

Why Does My Thread Break When Free-Motion Quilting?

Let’s suppose you experience a lot of thread breakage when free-motion quilting. You may have thread breakage due to a variety of reasons. For example, your tension might be too high, the pressure on your foot is too high, or your needle is piercing or collecting lint in your case.


Thread breakage happens frequently in sewing but can be solved easily with some troubleshooting. Follow these steps to identify the cause and fix it. Check your machine’s tension and thread type. Adjust your sewing speed accordingly. These steps will allow you why does my thread keep breaking.

This is my point: You can do many things to ensure that your sewing machine behaves properly and that the thread performs as best as it can. All of these steps are easy. You don’t have to settle for mediocre outcomes. This advice will help you invest in yourself!

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