Yes, you can sometimes use overlocker thread in a sewing machine, but it isn’t always the best choice.
Overlocker thread is designed primarily for use in overlockers, where several threads work together to create a seam. For general sewing, standard sewing-machine thread is usually the better option.
What’s Different About Overlocker Thread?
Overlocker thread is typically supplied on large cones because overlockers use much more thread than standard sewing machines.
It’s also finer than general-purpose sewing thread, since several threads are used together to form an overlocked seam, and that finer construction is part of why it isn’t usually recommended for general construction seams.
An example of Starlite Overlocker thread
Will It Work on a Normal Sewing Machine?
Often, yes, but large overlocker cones may not fit properly on your sewing machine’s spool pin, which is designed for smaller domestic spools rather than cones. A separate thread stand placed behind the machine lets the cone feed from the top, which keeps the tension more consistent than trying to balance a cone on a spool pin it wasn’t designed for.
When Can I Use It?
Overlocker thread may be suitable for temporary stitching, lightweight projects, general practice, some decorative sewing, and occasionally in the bobbin for lightweight work. Always test it on scrap fabric first.
When Should I Avoid It?
For seams where strength is particularly important, we’d generally choose a good-quality all-purpose sewing thread designed for conventional machine sewing. This is especially important for garment construction, heavy fabrics, bags, topstitching and high-stress seams.
Can I Use Normal Sewing Thread in an Overlocker?
Usually, but it can become expensive. An overlocker may use three or four threads simultaneously, so large cones of overlocker thread are much more economical for everyday overlocking.
An example of sewing machine thread from Guterman
Which Thread Should I Choose?
Keep it simple. For a sewing machine, choose a good-quality general-purpose sewing thread. For an overlocker, choose overlocker thread cones.
There are exceptions, particularly for specialist and decorative techniques, but these are good rules for everyday sewing.
Choosing the Right Thread
If you already have overlocker thread, there’s no harm in testing it with your sewing machine where appropriate, such as for lightweight or temporary stitching.
But for everyday garment construction and important seams, use a good-quality thread intended for normal sewing-machine use for the most reliable results.
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