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Thread gets frayed and breaks

We had it into the shop, they said the part that hooks the thread had a burr. at first it was fine but now its doing it again.

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Can that part that is causing the problem be replaced?

Posted on May 13, 2017


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Posted on Jan 02, 2017


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The upper thread keeps breaking whenever I sew even though it is always properly threaded and the needle is fine

check the age of the cotton
cotton is not a single thread but a series of fine threads bonded with a glue
old cotton glue breaks down and the thread separates easilty
next check that the needle is installed correctly with the grove ( thread groove away from the bobbin hook
check the needle and hook timing because if it is off a fraction , the hook will pierce the the thread causing it to break
next check that the eye is the correct size for the thread in use
a needle eye too small for the thread thickness will jam the thread ans not let slide through the eye properly

Nov 25, 2017 | Sewing Machines

1 Answer

The top needle thread gets mangled,only way to fix is to pull all thread out and rethread the needle

Sounds like the thread is shredding and fraying. Make sure the needle is the correct size for the thread. Try a brand new needle. The other possibility is a possible burr or snag somewhere in the threadpath that is catching and fraying the thread. Another possibility is the fabric is coarse and rough and acts like sandpaper on the thread. AVOID old or bargain bin threads.

All About Needles

Causes of Thread Shredding

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Oct 09, 2017 | Sewing Machines

1 Answer

My machine keeps on breaking the thread

You don't state which thread is breaking, so will assume it is the top thread.

AVOID using old or bargain bin thread!

Remove the thread.
Install a brand new needle.
ALWAYS RAISE the presser foot and rethread from the beginning.
Verify the thread path is correct.
Set the top tension to the midway point (this may need to be tweaked for your individual machine).

If it still breaks, then the thread may be catching somewhere, perhaps on the needle plate or in the bobbin area. When a needle deflects, it will sometimes strike somewhere and cause a burr or rough spot. That rough spot will then catch the thread and cause it to break or shred.

Wrap your index finger with a fine piece of scrap fabric like chiffon, nylon knit, or silk. Then run your finger around the surface (top & bottom) of the needle plate and in the bobbin area. If the fabric catches, there is a burr. Also check the hook/shuttle as this where a lot of burrs are located. If it is a small burr, it can be smoothed with a fine emery board or emery cloth. It the burr is large, the part may need to be replaced.

Sewing Machine Problem 1 Thread Breakage

Sewing Machine Thread Keeps Breaking

Apr 15, 2017 | Sewing Machines

1 Answer

Juki Lu-562 breaking, fraying thread. The tread will fray and eventually break a lot. Is there anything else besides a different size needle or burrs on the foot plate for foot feed?

Be sure that you are using only fresh, good quality thread. Old or bargain bin thread will fray easily. Does the thread have little hairs (fibers) sticking out? If so, get rid of it. Try a different type of thread, ie polyester thread. (FWIW, Coats & Clark used by a stand-by, but it is a lesser-quality thread these days.) Be sure to use the same thread in the bobbin--polyester thread will tend to cut cotton. Try flipping the thread spool over so it feeds off in the opposite direction. Make sure the machine's bobbin area is clean of any lint or debris. The tension may be too tight. The thread may be mis-threaded or the thread is restricted somewhere, ie wrapped around a thread guide or the spool pin. Be sure the thread is running through the thread guide immediately above the needle. Remove the thread and rethread from the beginning. You might try a different type of needle, ie top-stitch needle. Top-stitch needles have a larger scarf that will protect the thread as it pierces the fabric multiple times before forming a stitch. A Top-stitch or Metafil needle has a larger eye to accommodate bigger thread. Are you sewing unusually coarse fabric? It is abrasive and could be causing the excessive fraying.

If the fraying continues, there may still be a burr somewhere.

Fraying Breaking Madeira

What Causes My Thread to Shred

All About Needles

Mar 13, 2017 | Juki Sewing Machines

1 Answer

How do I stop top thread from breaking

Breaking thread usually results from mis-threading or tension too tight. Install a brand new needle. Try a different brand of thread (AVOID old or bargain bin threads!). Set the tension at the midway point between high & low number.

Does it sew fine for a couple of inches and then pop? Watch the thread, does it get tight between the spool and needle before it breaks? If so, the thread is hanging up somewhere--is there a nick or slot on the thread spool itself that is catching the thread?

Remove the thread completely and re-thread from the beginning. When threading, ALWAYS RAISE the presser foot so the thread will seat in the tension disk. Verify that the thread path is correct and that nothing has been threaded out or order or missed. Check that the thread is not snagging on a burr or nick.

Confirm that the correct needle is being used for the thread and fabric, ie the thread is too thick for the needle's eye. Usually, the symptom is shredded or frayed thread at the needle eye.
All About Needles

There could also be a burr snagging the thread at the needle plate or around the bobbin area. Wrap a finger with fine fabric (old hosier, chiffon, silk) and run your finger around the needle plate and bobbin area. If it snags, you know where to look. If it's a small burr, it can be smoothed (gently!) with a fine emery board or sand paper. If it is a large burr, it should be taken to a technician or a replacement part installed.


Dec 11, 2016 | Sewing Machines

1 Answer

Kenmore mini ultra The top thread breaks off from needle after a few stitches. The bobbin seems to Be catching the top thread. Thank you. ??

If the top thread sews a few inches and then breaks, something is catching the top thread and holding it until it breaks. Usually, this will happen when using the old style thread cones with the slit in the edge to keep the thread from raveling off the spool. To prevent the thread from hanging up, turn the thread spool over so the slit is at the top instead of the bottom. Sometimes top thread breaks will happen if the thread becomes looped around the thread spool pin.

Remove the thread, ALWAYS RAISE the presser foot and then rethread the upper thread. Verify that the thread path is correct and that the thread has not looped around a guide.

If the thread is fraying at the needle eye, the needle/thread are not compatible. Also, the tension may be too high.

Check that the upper tension disk is clean--no gunk buildup or thread pieces stuck.

If the thread is actually breaking when it penetrates the needle plate hole, there may be a burr or nick somewhere below that is catching the upper thread. You can wrap your finger with a piece of fine fabric, like an old pair of hosier, fine knit fabric, etc. and running your finger around in the bobbin area, under the needle plate. If you get snags, then you have a burr or nick. If it is small, you can sometimes smooth it with a fine emery board. If it is a large burr, you may need to purchase a replacement part.

Why Does My Top Thread Keep Breaking Sewing Machine

Sewing Machine Problem 1 Thread Breakage

Sewing Machine Thread Keeps Breaking


Sep 05, 2016 | Kenmore Sewing Machines

1 Answer

Thread break and fray

If the thread is fraying and then breaking, it usually has something to do with the the type of thread or fabric, the needle, the needleplate, or the hook.

Install a brand new needle. Check that the needle is compatible with the thread and fabric--also that the needle eye is not too small for the thread. If the fabric is somewhat abrasive or tightly woven, it could be causing the thread to fray. Try a needle with a larger groove that will protect the thread. It may involve some experimentation to find the right equation. Use only good quality thread--No old or bargain bin thread! Changing type of thread will sometimes solve the issue.

All About Needles

Check around and under the needleplate and the hook area for any burrs, nicks, or sharp bits that may be catching the thread.

ALWAYS RAISE the presser foot when threading. Rethread from the beginning--check that the thread path is correct.

Check that the thread tension is not too tight.


Jun 11, 2016 | Sewing Machines

1 Answer

Thread breakage on Juki TL-2000Qi

There are a few reasons the top thread may break.
- Check the needle plate for damage around the needle hole. Polish any burrs with fine sand paper or a needle file.
Check the hook for damage. If the hook is damaged it can cause the thread to break as it comes off the tip. Be very careful if you must remove burrs from the hook. Changing the shape of the hook tip will cause skipping problems.
Check that the top tension is not too high. The top tension should be set at a medium number
Burrs on the needle plate
Burrs on the hook assembly
Bobbin tension is too tight

Jan 16, 2012 | Sewing Machines

2 Answers

Top thread keeps fraying and shredding

indicates the needle hook timing is off and the hook is penetrating the thread instead of picking it up cleanly
make sure that the needle is in correctly with the thread groove facing the right way

Jan 23, 2018 | Singer Sewing Machines

2 Answers

Top thread keeps breaking

I don't know for sure, but I have found that a dull needle will cause the thread to break. We have fixed many machines just by changing the needle. Try it, it may fix the problem.

Apr 08, 2007 | Baby Lock Ellure

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