Polyester Sewing Thread 50wt
A high-quality polyester sewing thread made from synthetic staple fibers, commonly used for garment construction and quilting. It falls under HTS 5508.10.00.00 as it is composed of synthetic staple fibers and designed for sewing applications. Available in various colors and weights for retail sale.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made from synthetic filament rather than staple fibers
Filament-based sewing threads are classified under Chapter 54 for man-made filaments, not staple fibers in Chapter 55.
If sold in bulk industrial spools over 1kg, not for retail
Threads put up specifically for retail sale stay in 5508; bulk packaging may shift to synthetic staple fiber heading without retail provision.
If metallized or coated with metal for decorative use
Metallized sewing threads fall under gimped or metallized yarn provisions, changing the classification.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify fiber content through lab testing to confirm synthetic staple fiber composition over 85% for accurate classification
• Include supplier certificates of origin and thread specifications in documentation to avoid customs delays
• Beware of misclassification as continuous filament if not spun from staple fibers; request mill test reports
Related Products under HTS 5508.10.00.00
Nylon Synthetic Staple Sewing Thread
Durable nylon sewing thread spun from synthetic staple fibers, used for upholstery and outdoor gear. It qualifies for HTS 5508.10.00.00 as sewing thread of synthetic staple fibers, not continuous filament. Often sold in retail cones for home use.
Trilobal Polyester Sewing Thread
Trilobal cross-section polyester thread from synthetic staple fibers for enhanced luster in fashion sewing. Classified in HTS 5508.10.00.00 as synthetic staple sewing thread. Used in high-end apparel production.
Heavy Duty Polyester Buttonhole Thread
Thick polyester buttonhole thread spun from synthetic staple fibers for suiting and uniforms. Fits HTS 5508.10.00.00 as synthetic staple sewing thread for specific functions. Retail packed in small spools.
Machine Embroidery Polyester Thread
40wt polyester embroidery thread from synthetic staple fibers for multi-needle machines. Classifies in HTS 5508.10.00.00 as synthetic staple sewing thread despite embroidery use. Retail cones with rayon-like sheen.
Rayon-Like Polyester Staple Thread
Polyester thread processed to mimic rayon luster, spun from synthetic staple fibers for blouses. Under HTS 5508.10.00.00 for base synthetic staple composition. Retail home sewing favorite.
Eco-Friendly Recycled Polyester Thread
Thread made from recycled PET bottle synthetic staple fibers for sustainable sewing. Still classifies under HTS 5508.10.00.00 as synthetic staple sewing thread. Certified retail packaging.