A beautiful embroidery design depends on more than the embroidery machine.
The design, needle, stabilizer, hooping, tension, and fabric all matter. But there is another part of the equation that sometimes doesn't get enough attention:
The thread.
I've spent 25 years in the sewing and embroidery industry, and one thing I've learned is that small choices can have a big effect on the finished result. Embroidery thread is a perfect example.
A quality thread can help an embroidery machine run more consistently, produce cleaner stitches, and give the finished design the color and sheen we expect from good embroidery.
One embroidery thread I have a lot of confidence in is Isacord by AMANN.
But rather than simply telling you that we sell Isacord, I want to explain why thread matters and some of what I've learned about it from people in this industry who know it extremely well.
What I've Learned From Nancy Buhr
One of those people is Nancy Buhr.
I've learned a tremendous amount about embroidery thread from Nancy over the past year.
Nancy came from the commercial embroidery industry, which gives her a perspective I really value. Commercial embroidery is different from occasionally running a design at home. When embroidery machines are running production every day, thread performance becomes a serious issue.
A thread break isn't just annoying.
It stops the machine.
In a production environment, repeated thread breaks, inconsistent tension, poor stitch formation, or unreliable thread can cost real time and money.
Nancy understands that world because she's been part of it.
She now works for AMANN, the company behind Isacord, and she has been a great resource for me in understanding thread construction, performance, and why one embroidery thread can behave differently from another.
A lot of what I know about thread today has come from conversations with people like Nancy who have actually worked with these products in the real world.
That's something I want to do more of with Blaine Explains.
I've been fortunate to know and work with a lot of talented educators, technicians, designers, manufacturers, commercial embroiderers, and influencers throughout my career. I've learned something from all of them.
When that knowledge can help another maker, I want to pass it along.
Sewing Thread and Embroidery Thread Have Different Jobs
Regular sewing thread and embroidery thread may look similar on the spool, but they are being asked to do different things.
Construction thread is primarily there to hold pieces of fabric together.
Embroidery thread is different because the thread itself becomes part of the finished artwork.
It needs to create:
- Smooth stitching
- Clean details
- Consistent coverage
- Attractive color
- Good sheen
- Reliable performance through thousands of stitches
An embroidery design may contain 5,000, 20,000, or even 50,000 stitches.
That is a lot of thread passing through the machine, needle, fabric, and stabilizer.
Consistency matters.
Why Polyester Is So Popular for Machine Embroidery
Polyester has become one of the most widely used materials for machine embroidery thread.
It combines several qualities that work particularly well for embroidery:
- Strength
- Durability
- Colorfastness
- Abrasion resistance
- Consistent performance
- Attractive appearance
Those qualities become especially important when embroidering things that will be worn, handled, or washed frequently.
Examples include:
- Shirts
- Jackets
- Towels
- Children's clothing
- Bags
- Denim
- Uniforms
- Workwear
- Hats
You want the embroidery to look good when it comes off the machine.
But you also want it to continue looking good after the item has been used and washed.
What Makes Isacord Different?
This is where we get into some of the thread knowledge Nancy and others in the industry have helped me better understand.
AMANN manufactures Isacord from polyester continuous filament with a trilobal construction. AMANN describes it as a universal machine embroidery thread designed for brilliant embroidery, with abrasion resistance, durability, strong embroidery performance, and excellent colorfastness. Amann
Those terms actually mean something.
Continuous filament means the thread is made from long continuous polyester filaments rather than short fibers that have been spun together.
That creates a very smooth thread construction.
Trilobal refers to the shape of the individual filament. That construction contributes to the bright, lustrous appearance associated with Isacord embroidery.
That combination is one of the reasons Isacord produces such attractive embroidery while also being designed to stand up to demanding use.
What Does 40 Weight Mean?
Most home embroiderers know standard Isacord as 40-weight embroidery thread.
AMANN technically specifies standard Isacord as Ticket No. 40 / Tex 27. Amann
You don't need to memorize thread-numbering systems to use it successfully.
The important thing to know is that this general size has become a very common choice for everyday machine embroidery.
It works well for things like:
- Lettering
- Monograms
- Logos
- Appliqué
- Decorative designs
- Filled embroidery
- Garments
- Towels
- Bags
- Home décor
A tremendous number of embroidery designs are created with this general thread size in mind.
If you're starting with machine embroidery, it is an extremely useful thread size to have.
Why Thread Consistency Matters
Imagine an embroidery design with 25,000 stitches.
The thread must feed from the spool, travel through the machine's thread path, pass through tension components and guides, go through the eye of the needle, and form stitches thousands of times.
Now imagine doing that all day on a commercial embroidery machine.
This is where Nancy's commercial embroidery experience becomes particularly relevant.
When you're running production, consistency becomes incredibly important.
Poor thread performance can contribute to:
- Thread breaks
- Shredding
- Tension problems
- Uneven embroidery
- Inconsistent coverage
- Machine stoppages
AMANN specifically positions Isacord as abrasion-resistant and robust, with embroidery properties designed for reliable performance. Amann
That matters whether you're running one design at home or running embroidery machines as a business.
Colorfastness Matters Too
Embroidery isn't finished when the machine stops.
The item may be washed dozens—or hundreds—of times.
Think about:
- Towels
- Children's clothes
- Work shirts
- Uniforms
- Jackets
- Corporate apparel
AMANN lists excellent colorfastness as one of Isacord's characteristics. Amann
That durability is one of the reasons polyester embroidery thread works particularly well for items that are going to see regular use.
1,000-Meter or 5,000-Meter?
Isacord is available in both 1,000-meter and 5,000-meter formats. Amann
Both have a place.
For a home embroidery maker who wants a large variety of colors, 1,000-meter spools make it easier to build a broad thread collection.
If you're running production or regularly using colors such as black, white, navy, red, or a company logo color, a 5,000-meter cone may make more sense.
Don't automatically buy the biggest spool.
Think about how much embroidery you actually do and which colors you use most often.
At Sew Nation USA, you can shop our selection of Isacord colors and choose the sizes that make sense for your embroidery.
Shop Isacord Thread at Sew Nation USA
Don't Forget the Needle
Thread and needle selection work together.
AMANN lists a minimum needle size of Nm 65 / No. 9 for standard Isacord, while appropriate embroidery needle sizes can vary depending on the fabric and application. Amann
The correct needle also depends on:
- Fabric type
- Fabric weight
- Stabilizer
- Number of layers
- Design density
- Specialty applications
We've already covered needle selection in another Blaine Explains article because the thread, needle, fabric, and machine all have to work together.
If you've got the wrong needle, even excellent thread may not perform the way it should.
Thread Breaks Don't Always Mean Bad Thread
This is important.
If your thread breaks, don't immediately assume the thread is defective.
Embroidery is a system.
Check:
- Is the machine threaded correctly?
- Is the thread caught around the spool?
- Is the thread stand feeding properly?
- Is the needle new?
- Is it the correct needle?
- Is the needle installed properly?
- Is the upper tension reasonable?
- Is the design extremely dense?
- Is the machine clean?
- Is the stabilizer correct?
- Is the fabric properly hooped?
If one particular design constantly breaks thread while other designs run perfectly, take a close look at the design itself.
Extremely dense embroidery can put a lot of stress on the thread, needle, fabric, and stabilizer.
Design Density Changes Everything
A light, open embroidery design and a dense filled logo place very different demands on thread.
As stitch density increases, so does the interaction between:
Thread + needle + stabilizer + fabric + tension + machine.
That is why troubleshooting embroidery requires looking at the whole system rather than adjusting one thing over and over.
Sometimes the thread gets blamed for a problem that actually started with:
- A worn needle
- Poor digitizing
- Insufficient stabilizer
- Improper hooping
- Incorrect tension
Knowing how those pieces interact is part of becoming a better embroiderer.
Take Care of Your Thread
Even high-quality embroidery thread should be stored properly.
Protect your thread from:
- Direct sunlight
- Excessive heat
- Excessive moisture
- Dust
- Extreme temperature changes
Thread storage also helps you keep track of your color inventory.
Anyone who has been embroidering for very long knows what happens:
You start with ten colors.
Then twenty.
Then fifty.
And before long you've got a thread collection.
Keeping that collection organized saves time and helps prevent buying the same color repeatedly because you forgot you already owned it.
Why We Carry Isacord
There are plenty of embroidery-thread brands on the market.
I don't want Sew Nation USA customers buying Isacord simply because we sell it.
I want you to understand why I believe it deserves a place in our embroidery offering.
Isacord gives us a combination of characteristics that matter:
- Polyester construction
- Continuous filament
- Trilobal construction
- Attractive embroidery appearance
- Abrasion resistance
- Durability
- Excellent colorfastness
- Broad color selection
- 1,000-meter and 5,000-meter options
- A product designed specifically for machine embroidery
AMANN positions standard Isacord for applications ranging from brilliant decorative embroidery to demanding work and corporate wear. Amann
That's the kind of versatility I like in a product.
Better Embroidery Comes From Understanding Why
I've learned a lot about thread during my career.
And Nancy Buhr has been an important part of that education.
Her experience in commercial embroidery, combined with her work today at AMANN, has helped me better understand what separates a quality embroidery thread from an average one.
Those are the lessons I want to share.
I don't want Blaine Explains to simply tell you what product to buy.
I want to pass along some of what I've learned from the people I've been fortunate enough to know throughout this industry and explain why these things matter.
Because great embroidery really comes down to getting several things working together:
Machine + design + thread + needle + stabilizer + hooping + technique.
When you understand how those pieces work together, troubleshooting becomes easier and your embroidery becomes more predictable.
Thread is only one part of that equation.
But when thousands of stitches are creating the finished design people are actually going to see, it is a pretty important part.
That's one of the reasons Isacord is an important embroidery thread for Sew Nation USA.
— Blaine Austin
Sew Nation USA