Best Simthread Embroidery Thread of 2026

Corey Phillips Avatar
Corey Phillips
Last Updated: 7 Feb 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Simthread offers a range of high-quality embroidery thread that is perfect for all your stitching needs. With a wide variety of colours and shades to choose from, Simthread ensures that you can create beautiful and vibrant designs. The thread is durable and easy to work with, making it suitable for both professional embroiderers and hobbyists. Whether you are working on a small craft project or a large embroidery piece, Simthread's embroidery thread is a reliable choice that will bring your designs to life.

At a Glance: Our Top Picks

Simthread 32 Madeira Colours Polyester Thread Kit Cover #TOP 1
Simthread 32 Madeira Colours Polyester Thread Kit
ftb score rating icon 9.9
Simthread Variegated Polyester Embroidery Thread Kit Cover #TOP 2
Simthread Variegated Polyester Embroidery Thread Kit
ftb score rating icon 9.8
Simthread 60WT 40 Colour Embroidery Thread Kit Cover #TOP 3
Simthread 60WT 40 Colour Embroidery Thread Kit
ftb score rating icon 9.6

Top 9 Simthread Embroidery Thread

#TOP 1

Simthread 32 Madeira Colours Polyester Thread Kit

32C500-1
Assortment Color 3
Simthread 32 Madeira Colours Polyester Thread Kit Cover
Simthread 32-Colour Polyester Machine Embroidery Thread Kit 500M (550Y) – 30 Unique Shades + White & Black – Colour-Matchable to Madeira and Robison-Anton Charts - Assorted Color 3

The Simthread Polyester Thread Kit features 32 vibrant spools, including extra white and black, perfect for all your embroidery projects. With a length of 500M per spool and a standard 40 weight, you will find it ideal for various sewing tasks. Made from 100% Trilobal Polyester Yarn, it ensures higher strength and a brilliant sheen, reducing the likelihood of breakage. Additionally, its remarkable colour fastness means your threads will maintain their vividness, even after frequent washing or exposure to elements, providing you with long-lasting quality.

What We Like
Vibrant colour selection
High strength and durability
Colour fastness
Bonus stabiliser or bobbins
#TOP 2

Simthread Variegated Polyester Embroidery Thread Kit

TR12CPOLY1100Y
Simthread Variegated Polyester Embroidery Thread Kit Cover
Simthread Variegated Tri-Colored Multicolors Polyester Embroidery Machine Thread, 12 Spools/Kit, 1,000M/spool - for Brother, Babylock, Bernette, Janome, Kenmore, Singer Embroidery and Sewing Machines

The Simthread Embroidery Thread offers 12 vibrant colours to enhance your embroidery projects. Made from 100% polyester, this thread is compatible with various embroidery machines, such as Brother and Janome, making it a versatile choice for both beginners and professionals. Each spool contains 1,000 metres of thread, ensuring you have ample material for your creations. With tri-coloured designs, every spool provides a unique touch, bringing your designs to life with vividness and depth.

What We Like
Vibrant colour selection
Compatible with various machines
Ample thread length
Tri-coloured for unique designs
#TOP 3

Simthread 60WT 40 Colour Embroidery Thread Kit

40 Colors
1000 Meters
Simthread 60WT 40 Colour Embroidery Thread Kit Cover
Simthread 60WT Sewing Embroidery Machine Thread Kit - 40 Colors 1100 Yards Spool for Brother Janome etc Sewing Embroidery Machines

The Simthread Embroidery Thread Kit includes 40 vibrant colours, each with a generous 1100 yards of 60WT polyester thread. This lightweight thread is perfect for creating delicate designs with a #9 needle, allowing you to achieve clear and beautiful script-like embroidery. The polyester filament ensures smooth stitching and is ideal for machine quilting and freehand quilting. Moreover, it functions well as a bobbin thread, providing durability without leaving fibres behind, making your sewing projects cleaner and easier.

What We Like
Bright and assorted colour options
Lightweight and smooth stitching
Durable and strong thread
Ideal for various sewing projects
Easy to maintain and use
#TOP 4

Simthread 63 Colour Polyester Embroidery Thread Set

63C500MBOX
63 colors
3 Layers
Simthread 63 Colour Polyester Embroidery Thread Set Cover
Simthread Machine Embroidery Thread Polyester 63 Colors with Plastic Storage Box for Embroidery Sewing Machines

The Simthread Embroidery Thread Set features 63 vibrant colours of polyester thread, perfect for enhancing all your embroidery projects. The included removable baffle storage box accommodates up to 60 spools, making organisation easy and efficient. Each spool offers 500 metres of thread at a weight of 40 WT, ensuring you have ample length for various applications. Additionally, the thread is designed with superior colour fastness, maintaining its brilliance even after commercial laundering, which is essential for workwear and uniforms.

What We Like
Extensive colour variety
Removable baffle storage
Long thread length
Durable colour fastness
#TOP 5

Simthread 6 Spools Black 40wt Polyester Embroidery Thread

retro-tri color
Simthread 6 Spools Black 40wt Polyester Embroidery Thread Cover
Simthread 6 Spools 1000M(1100Y) Polyester Machine Embroidery Threads, 40wt 100% Polyester Threads for All Embroidery Machines

The Simthread 40wt Polyester Thread offers six spools of high-quality black embroidery thread, each with a generous 1000m length. Made from 100% polyester, this thread provides excellent colour fastness, ensuring your embroidery stays vibrant even after commercial washing or bleach exposure. Its high tensile strength means less risk of breakage or fraying, giving you a smoother sewing experience. Additionally, the thread’s lustrous finish adds a professional shine to your work, making it perfect for uniforms, workwear, and linens that need durability and style.

What We Like
Colour fastness withstands harsh washing
Strong tensile strength reduces breakage
Shiny finish for professional look
Generous 1000m spool length
Six spools per pack
#TOP 6

Simthread 40-Colour Polyester Embroidery Thread Kit

Simthread
multicolour
Simthread 40-Colour Polyester Embroidery Thread Kit Cover
Simthread 40-Colour Polyester Embroidery Thread Kit, 40 Spools of 500 m, 40WT, Convertible to Brother Colour Chart, Compatible with Brother, Janome, Babylock, Singer and Other Embroidery Machines

The Simthread Embroidery Thread Kit offers 40 spools of vibrant polyester thread, each labelled with the matching Brother colour number and accompanied by a helpful colour chart. This feature allows you to easily match thread colours to your design files, saving time and ensuring accuracy. Made from 100% trilobal polyester yarn using advanced technology, the thread is strong and less likely to break, making your sewing smoother and more efficient. Additionally, the colours resist fading even after washing, bleaching, or rubbing, so your embroidery projects retain their vivid appearance over time.

What We Like
Wide variety of 40 colours
Includes matching colour chart
High strength, less breakage
Excellent colour fastness
#TOP 7

Simthreads 12 Variegated Polyester Embroidery Threads

Poly1100Y
12Va-3
Simthreads 12 Variegated Polyester Embroidery Threads Cover
Simthreads 12 Variegated Colors Embroidery Machine Thread 1100 Yards Each for Janome Brother Pfaff Babylock Singer Bernina Husqvaran and Most Sewing Embroidery Machines

Simthreads Embroidery Threads offer 1100 yards on each mini-king cone, providing twice the amount typically found on spools. This 40-weight polyester thread is ideal for both machine embroidery and hand sewing, ensuring versatility in your crafting projects. With a 4-5 colourfastness rating, you can trust that its vibrant colours will remain intact, even after frequent washing or exposure to bleach. This durability makes it particularly suitable for uniforms and workwear, giving you peace of mind in your creations.

What We Like
Large 1100-yard cones
Colourfast and durable
Versatile for various sewing
Perfect for uniforms and workwear
#TOP 8

Simthread 63 Colourful Polyester Embroidery Threads 500m

63CPOLY550Y-AM
multicolour
Simthread 63 Colourful Polyester Embroidery Threads 500m Cover
Simthread 63 Brother Colors Polyester Embroidery Machine Thread - 550 Yrds (500 Meters) Each, for Brother, Babylock, Bernette, Janome, Kenmore, Singer, W6 N 5000 Embroidery Machine

The Simthread 63 Embroidery Threads offer 63 vivid, non-duplicate colours, perfect for matching Brother thread sets and brightening your embroidery projects. Made of 100% polyester with a 40WT thickness, these threads are suitable for most embroidery machines, including Brother, Babylock, Janome, and Kenmore. Each spool holds 500 metres of thread, providing ample length ideal for both beginners and professionals working at home. With a recommended needle thickness of NM 75-90 and machine speeds between 600-800 SPM, these threads ensure smooth stitching and vibrant results for your creative needs.

What We Like
Wide range of vivid colours
Compatible with many machines
Long 500-metre spools
Suitable for beginners and pros
#TOP 9

Simthread Mini King Spool 24 Colours Embroidery Thread

SIMTH24SEWMD
1100 yards
Simthread Mini King Spool 24 Colours Embroidery Thread Cover
Simthread 1100 Yards 1000m miniking Spool 24 Assorted Colors Trilobal Polyester Embroidery Machine Thread for Special Designs on Most Home Embroidery Sewing Machines

The Simthread Mini King Thread offers 24 mini king spools in bright, assorted colours, perfect for adding vibrant detail to your embroidery projects, including Marvel designs. Each spool contains 1100 yards of tri-lobal polyester thread, which is twice the usual length, giving you great value and plenty of material for your creations. The 40-weight thread is versatile, ideal for embroidery, over-locking, sewing, and quilting, while its tri-lobal finish provides a lovely shine and extra durability. With excellent colourfastness, your designs will stay bright and shiny even after frequent washing, making it ideal for workwear and uniforms.

What We Like
24 bright assorted colours
1100 yards per spool
Durable tri-lobal polyester
Excellent colourfastness
Buying Guide Image
Editor's Notes

During our Simthread embroidery thread research, we found 27 Simthread embroidery thread products and shortlisted 9 quality products. We collected and analyzed 21,965 customer reviews through our big data system to write the Simthread embroidery thread list. We found that most customers choose Simthread embroidery thread with an average price of £27.87.

The Simthread embroidery thread are available for purchase. The top 9 picks range in price from a low of £11.00 to a high of £60.00, find the one that fits your budget.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.