604 Dark Pink Bottom Line Polyester Thread is a deep, rich pink in Superior Threads' ultra-fine 60-weight Bottom Line line — a saturated dark pink (deeper than medium pink, lighter than magenta) that provides the finest possible stitching on hot pink, deep rose, and saturated dark-pink fabric backgrounds with Bottom Line's extraordinary fineness.
Q: What shade is 604 Dark Pink?
A: A deep, saturated pink — darker and more vivid than light or medium pink, with a rich rose-to-magenta quality that reads as bold and distinctly dark pink.
Q: What is Bottom Line thread?
A: Superior's 60-weight filament polyester — finer than So Fine! 50wt. Lint-free. Originally designed as a premium bobbin thread, also used as top thread for maximum fineness.
Q: When should I use Dark Pink Bottom Line?
A: For competition quilts on hot pink or deep rose fabric where thread fineness is critical, or in the bobbin under dark pink Glide on top for color-matched stitching.
Q: What weight is Bottom Line?
A: 60-weight filament polyester. Requires significant tension adjustment. Always test before production use.
Q: Is Bottom Line lint-free?
A: Yes — completely clean filament polyester.
Q: Is Dark Pink Bottom Line compatible with all longarm machines?
A: Yes — with proper 60-weight tension adjustment.
Q: Is 604 Dark Pink Bottom Line in stock at Linda's?
A: Check the current product listing for live availability.
Bold dark pink at the finest weight — shop 604 Dark Pink Bottom Line at Linda's Electric Quilters.

