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Seed Bead Sizing Guides and Charts
With seed bead sizing, the rule is the larger the size number, the smaller the bead. Czech seed beads are often sold in "hanks", which are made of 12 strands, folded in half into a bundle, so that there are 24 thread ends tied off. Japanese seed beads, such as Miyuki Delica beads and Toho beads, are usually not sold temporarily strung but are instead sold by weight measured in grams. Metal seed beads are usually sold by grams also.
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Seed Bead Sizing Guide |
| TYPE |
BEADS PER HANK |
BEADS PER IN. |
BEADS SIZE
(Diameter) |
BEAD WT. |
RECOMMENDED NEEDLE & THREAD |
| 8/0 |
approx. 3,220 |
13.5 |
3.1mm (approx.) |
2.7 oz. (approx) |
Any size beading needle will work. Thread sizes D & F. |
| 10/0 |
approx. 3,920 |
16.3 |
2.3mm (approx.) |
1.6 oz. (approx) |
Needle sizes 10 and smaller. Thread sizes B, D, & F.
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| 11/0 |
approx. 4,000 |
17 |
2.1mm (approx.) |
1.3 oz. (approx) |
Needle sizes 11 and smaller. Thread sizes O,B, & D.
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| 12/0 |
approx. 4,720 |
19.5 |
1.9mm (approx.) |
1.2 oz. (approx) |
Needle sizes 12 and smaller. Thread sizes A, OO, O, & B.
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| 13/0 |
approx. 4,960 |
21 |
1.7mm (approx.) |
0.9 oz. (approx) |
Needle sizes 13 and smaller. Thread sizes A, OO, & O.
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| 15/0 |
n/a |
25 |
1.3mm (approx.) |
n/a |
Needle sizes 13 and smaller. Thread sizes A, OO, & O.
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Miyuki Delica Beads
Please refer to the style number for Delica sizing.
| |
DBS |
DB |
DBM |
DBL |
| Diameter |
1.30mm |
1.60mm |
2.20mm |
3.0mm |
| Length |
1.15mm |
1.30mm |
1.70mm |
2.70~2.80mm |
| Hole |
0.65~0.70mm |
0.80~0.85mm |
0.95~1.00mm |
1.50~1.60mm |
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