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- Article author: Audrey Wiryawan
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Sewing thread may look simple, but it affects stitch quality, durability, and the final appearance of a garment.
Two thread names often used by tailors are Astra and Marathon. Both can be used for sewing, but they have different strengths.
What Is Astra Thread?

Astra is known as a sewing thread for stronger and more stable stitches.
Coats describes Astra as a staple spun polyester thread with higher sewing performance than regular SSP threads. This makes it suitable for tailors who want cleaner stitches and thread that does not break easily.
Astra is commonly used for shirts, blouses, uniforms, simple dresses, lightweight trousers, and regular garment sewing.
At Istana Kancing, Astra thread is also listed in 500-yard spools. This size is practical when tailors need specific colors without using a large cone.
What Is Marathon Thread?

Marathon is also commonly used for everyday sewing needs.
One of its practical advantages is the longer spool size. Istana Kancing lists Marathon sewing thread at around 4000 m, making it useful for routine sewing or jobs that need more thread in one color.
Marathon is suitable for daily sewing, practice, light production, and basic thread stock.
Main Difference
The main difference is the usage focus.
Astra is better when the priority is stronger, more stable stitches.
Marathon is practical when the priority is a longer spool for regular sewing work.
In simple terms, Astra is suitable for better stitch strength, while Marathon is useful for daily thread stock and longer usage.
Which One Should You Choose?
For customer garments, uniforms, shirts, blouses, or sewing that needs stronger finishing, Astra can be prioritized.
For everyday sewing, practice, light production, or basic colors used often, Marathon can be a practical choice.
However, thread performance also depends on the needle, fabric, machine tension, and threading path.
Conclusion
Astra and Marathon are both useful sewing threads, but they serve slightly different needs.
Astra is suitable for stronger and more stable stitching. Marathon is suitable for regular sewing with a longer thread supply.
Choose based on fabric type, thread color, sewing purpose, and machine setup.
Looking for Astra, Marathon, and other sewing supplies?
Istana Kancing provides sewing threads, needles, bobbins, presser feet, scissors, seam rippers, buttons, zippers, lining, interfacing, bias tape, lace, ribbons, beads, sequins, and garment accessories for tailors, fashion brands, garment makers, and wholesale orders.