Introduction to 40 wt Thread

Aurifil 40 wt thread is vibrant, and versatile-- a perfect way to add a little more punch to FMQ or embroidery projects or to your binding. Yet, 40 wt isn’t highlighted often enough. Let’s explore some basic facts about 40 wt thread as well as take a look at adjusting your tension for free motion quilting with Aurifil 40 wt. 

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In my experience, the weights of thread between embroidery floss and 50 wt don’t get nearly enough attention and appreciation. Let’s take a peek today at 40 wt thread-- which is quickly becoming my second favorite thread! 40 wt thread is a perfect “go to” thread for free motion quilting, embroidery, or binding when you don’t want too much bulk in your stitches, but want them to “pop” a little extra!

Fun Facts about Aurifil 40wt

• High quality Mako cotton

• Available in 270 colors

• A large spool holds 1094 yards/ 1000 meters

• Recommended needle is 90/14

• You can use 40 or 50 wt thread in the bobbin

• Perfect for: machine quilting, machine applique, thread painting, machine embroidery, and binding

Adjusting Your Tension

Excited to feel more confident adjusting your tension but looking for a quick reference guide to keep handy while you learn? Join my newsletter and receive my FREE Tension Troubleshooting Guide!

Closing Thoughts

For years, my “go to” thread has been Aurifil 50 wt, but as I’ve had more opportunities to work with the 40 wt, I’m recognizing the extra little “pop” that a slightly heavier thread adds to my work. I especially love it when I’m doing a larger or looser motif and want my stitching to show a little more. Bottom line: if you haven’t tried 40 wt thread yet, I recommend it!