Superior Threads So Fine! 50wt Polyester Thread 3280yd - Washed Denim 509

Superior Threads So Fine! #50 Washed Denim 509 is a versatile polyester thread for quilters, garment makers, and sewists who want reliable stitching with a soft, understated finish. Its washed denim blue shade brings a relaxed, fabric-inspired look to denim projects, blue patchwork, and everyday sewing. Whether you're quilting a contemporary design or adding coordinated stitching to a garment, this subtle blue offers a practical alternative to brighter or more saturated thread colors.

The 3,280-yard cone provides ample thread for quilting, garment construction, bobbin winding, and extended sewing sessions. Made from 3-ply filament polyester, So Fine! #50 features a fine 50wt profile and a matte finish for understated stitch definition. Its low-lint characteristics also help minimize lint buildup during use, making it a practical addition to your regular sewing supplies.

Why choose Superior Threads So Fine! #50?

• Fine 50wt thread: Well suited to detailed quilting, everyday sewing, and projects where a less prominent stitch line is desirable.

• Low-lint performance: Helps reduce lint accumulation during sewing, alongside regular machine cleaning and maintenance.

• Matte finish: Creates a subdued appearance that complements casual fabrics and understated designs.

• Consistent stitching: Designed for smooth thread delivery and dependable performance with appropriate machine setup.

• 3,280-yard cone: Offers extended thread capacity for larger quilts, garments, and repeated sewing tasks.

Where Washed Denim 509 works especially well

Washed Denim is a useful choice for projects featuring relaxed blue tones, denim-inspired textures, and coordinated casual fabrics.

• Denim garments, accessories, and bags requiring a complementary blue thread.

• Quilts featuring washed blues, chambray-inspired prints, and faded denim colors.

• Patchwork projects combining blue, gray, white, and neutral fabrics.

• Subtle topstitching and construction seams on compatible blue textiles.

• Bobbin use, garment construction, and general sewing when a fine polyester thread suits the application.

Color-planning ideas for Washed Denim

Pair Washed Denim with medium blue, faded indigo, slate gray, cream, or white for a balanced, casual palette. It can blend into washed blue fabrics or provide gentle contrast against lighter neutrals. For multicolor quilts, use it to connect blue blocks with gray and white sections without introducing an overly vivid accent.

For a coordinated selection, consider Superior Threads So Fine! #50 Charcoal 410 for darker gray sections and Superior Threads So Fine! #50 Silver for lighter, cooler areas. These neutral companions can help maintain a consistent look when a project moves between different fabric values.

So Fine! #50 Washed Denim 509 technical details

• Brand: Superior Threads

• Thread line: So Fine! #50

• Color: Washed Denim

• Color number / SKU: 509

• Fiber: 3-ply filament polyester

• Thread size: 50 wt; 30 Tex

• Cone length: 3,280 yards

• Finish: Matte

• Primary uses: Quilting, bobbins, garment construction, and general sewing

Color-matching note: Washed blue shades can look different depending on lighting, photography, and screen settings. If you need a close match for denim or quilting fabric, compare the thread with the actual material before beginning your project.

Shop More Thread at ThreadWorks

Give your next denim project, quilt, or everyday sewing creation a coordinated finish. Explore more Superior Threads So Fine! colors, compare blue and neutral shades, or shop all sewing thread at ThreadWorks.