New brothread 100% Mercerised Cotton Thread Set — 8-Count Box, 600m Spools, Low-Lint Durable Three-Ply

New brothread 100% mercerised cotton threads are durable, low-lint spools sold in an 8-count clear stackable and hangable storage box, ideal for sewing, quilting, and light embroidery on natural fabrics.

These spools use extra-long staple cotton processed by gassing and mercerizing to create a smoother, stronger, and more lustrous thread with reduced lint. Each spool holds 600 meters (660 yards) of three-ply bonded cotton that performs well with cotton and linen, because its wash shrinkage matches natural fabrics and helps minimize puckering. The set comes in a clear plastic box designed to stack and hang, and each spool features a snapping locking base to keep thread tails secure.

How does this cotton thread perform on quilting and piecing projects?

The three-ply mercerised yarn provides reliable strength and a consistent finish for piecing and quilting. Its balanced twist and bonded surface lay flat on seams and machine-feed smoothly when tensioned properly.

• 600M (660 yd) per spool limits spool swaps for large quilts
• 3-ply bonded construction resists breakage during long runs
• Low-lint finish keeps machine interiors cleaner
• Similar shrinkage to cotton reduces post-wash puckering

What needle sizes and machine settings work best?

Because this is thicker than typical 40WT thread, choose needles with a larger eye and slightly slower feed rates if you experience thread breakage. Adjust machine tension and test on scrap fabric for optimal stitch balance.

• Recommended needles: size 80/12 or larger
• Use upright thread stand if your machine lacks horizontal spool pins
• Reduce sewing speed to prevent strain and stripping
• Do a test stitch on the same fabric and stabilise as needed

Can I use these threads for embroidery and serging?

Yes—these threads suit light hand embroidery, machine embroidery with appropriate settings, and serger work for natural fabrics. Due to cotton’s lower elasticity compared with polyester, set machines for gentle feeding and monitor stitch formation.

• Best for light-to-medium embroidery detail, not heavy satin fills
• Works well on cotton and linen base fabrics for consistent wash results
• Serger-friendly when tension is adjusted for thicker cotton threads
• Hand-sewing and visible topstitching gain a matte, natural look

Who is this for? If you sew primarily with cotton or linen, quilt regularly, or want a natural-looking topstitch that washes consistently with your garments or homewares, this New brothread 100% mercerised cotton 8-spool set is made for you. It’s also a good choice for makers who value tidy storage: the clear stackable and hangable box keeps your spools visible, organized, and ready to use. Note that machine users without horizontal spool pins may need an upright thread stand to use the snapping spools without issue.