From smallest to largest:
O (super fine, 0.15mm), A, B (0.2mm), 1G, C, D (0.3mm), E, EE, 1, 2 (0.45mm), 3, #18 (0.5mm), 4, 6 (0.70mm), F, FF, 5 and 8.
Choosing the Right Thread
Super-fine Fireline, Nymo and WildFire are perfect for beadweaving complex patterns with tiny seed beads. One-G and thicker diameters are better for simpler patterns or larger seed beads.
We try to keep the items on this page organized by size (thinnest at top). Use the "DIAMETER" and "BRAND" filters to jump to your favorite items, or click into any item below for more details. Or check the charts on our main Chain & Cord page for more information about a wide variety of cording and finishing methods.