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Bead Hole Sizes


Chart includes hole sizes for a range of bead types, with the maximum diameter of Accu-Flex® beading wire and wrapping wire gauge that will fit each hole.

Czech Fire-Polished
Glass Rounds
Bead Size Hole Size mm / inches Maximum Accu-Flex® Diameter Maximum Wrapping Wire Gauge
3mm 0.92mm / 0.037" 0.024" 21
4mm 0.92mm / 0.037" 0.024" 21
6mm 0.92mm / 0.037" 0.024" 21
8mm 0.92mm / 0.037" 0.024" 21
10mm 1.03mm / 0.04" 0.024" 20
12mm 1.7mm / 0.069" 0.024" 15

Czech Glass - Druk
Bead Size Hole Size mm / inches Maximum Accu-Flex Diameter Maximum Wrapping Wire Gauge
4mm 1.03mm / 0.04" 0.024" 20
6mm 1.05mm / 0.043" 0.024" 20
8mm 1.05mm / 0.043" 0.024" 20
10mm 1.31mm / 0.05" 0.024" 18

Hemalyke™ Rounds
Bead Size Hole Size mm / inches Maximum Accu-Flex Diameter Maximum Wrapping Wire Gauge
2mm 0.92mm / 0.037" 0.024" 21
3mm 0.92mm / 0.037" 0.024" 21
4mm 0.92mm / 0.037" 0.024" 21
6mm 0.92mm / 0.037" 0.024" 21
8mm 0.92mm / 0.037" 0.024" 21
10mm 1.03mm / 0.04" 0.024" 20
12mm 1.31mm / 0.05" 0.024" 18

Miracle Beads
Bead Size Hole Size mm / inches Maximum Accu-Flex Diameter Maximum Wrapping Wire Gauge
4mm 1.31mm / 0.05" 0.024" 18
6mm 1.64mm / 0.067" 0.024" 16
8mm 1.64mm / 0.067" 0.024" 16

Pearls
Bead Size Hole Size mm / inches Maximum Accu-Flex Diameter Maximum Wrapping Wire Gauge
Organic 0.50-0.75mm / 0.02-0.03" 0.019" - 0.024" 30-24
Celestial Crystal® Glass 1mm / 0.04" 0.024" 20
Swarovski crystal 0.8mm / 0.033" 0.024" 23

Swarovski crystal
Bicones
Bead Size Hole Size mm / inches Maximum Accu-Flex Diameter Maximum Wrapping Wire Gauge
3mm 0.9mm / 0.037" 0.024" 22
4mm 0.6mm / 0.024" 0.019" 26
6mm 0.8mm / 0.033" 0.024" 23
8mm 1mm / 0.04" 0.024" 21
10mm 1.4mm / 0.057" 0.024" 17

Swarovski crystal
Rounds
Bead Size Hole Size mm / inches Maximum Accu-Flex Diameter Maximum Wrapping Wire Gauge
4mm 0.5mm / 0.02" 0.019" 26
6mm 0.6mm / 0.024" 0.019" 24
8mm 0.8mm / 0.033" 0.024" 23
10mm 1.5mm / 0.061" 0.024" 17
12mm 2mm / 0.082" 0.024" 14

Wonder Beads
Bead Size Hole Size mm / inches Maximum Accu-Flex Diameter Maximum Wrapping Wire Gauge
4mm 1mm / 0.041" 0.024" 21
6mm 1mm / 0.041" 0.024" 21
8mm 1mm / 0.041" 0.024" 21

*Note: Bead hole sizes listed are approximate and may vary.

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