Replacement Parts > 5/16" diameter (8mm)

Find everything you need—internal, external, threadless, barbells, balls, chains, charms—to refresh or repair your jewelry. Available in stainless steel, titanium, acrylic, gold, and more.

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16g Titanium Circular Barbell (internal, no ends)
16g Titanium Circular Barbell (internal, no ends) Internal Barbells 16g - 1/4" diameter (6mm) High Polish (silver)

16g Titanium Circular Barbell (internal, no ends)

ICRT-1606BB
1/4"-1/2"
$4.98
each
8g Titanium Circular Barbell by Anatometal
00g Titanium Circular Barbell by Anatometal Internal Barbells 00g - 9/16" diameter (14.3mm) Barbell Only (no balls)

8g Titanium Circular Barbell by Anatometal

AL-CRT808BB
5/16"-1"
from $26.60
each
16g Threadless Circular Barbell by NeoMetal
16g Threadless Circular Barbell by NeoMetal Threadless Barbells 16g - 5/16" diameter (8.0mm) High Polish (silver)

16g Threadless Circular Barbell by NeoMetal

NEO-XCIR1605
5/16"-1/2"
$21.48
each
10g Titanium Circular Barbell by Anatometal
00g Titanium Circular Barbell by Anatometal Internal Barbells 00g - 9/16" diameter (14.3mm) Barbell Only (no balls)

10g Titanium Circular Barbell by Anatometal

AL-CRT1008BB
5/16"-1"
from $23.20
each
16g Titanium Circular Barbell by Anatometal
00g Titanium Circular Barbell by Anatometal Internal Barbells 00g - 9/16" diameter (14.3mm) Barbell Only (no balls)

16g Titanium Circular Barbell by Anatometal

AL-CRT1606BB
1/4"-1/2"
from $16.86
each
14g Titanium Circular Barbell (internal, no ends)
14g Titanium Circular Barbell (internal, no ends) Internal Barbells 14g - 1/4" diameter (6mm) High Polish (silver)

14g Titanium Circular Barbell (internal, no ends)

ICRT-1406BB
1/4"-9/16"
$4.98
each
14g Threadless Circular Barbell by NeoMetal
14g Threadless Circular Barbell by NeoMetal Threadless Barbells 14g - 5/16" diameter (8.0mm) High Polish (silver)

14g Threadless Circular Barbell by NeoMetal

NEO-XCIR1405
5/16"-1/2"
$22.14
each
12g Titanium Circular Barbell by Anatometal
00g Titanium Circular Barbell by Anatometal Internal Barbells 00g - 9/16" diameter (14.3mm) Barbell Only (no balls)

12g Titanium Circular Barbell by Anatometal

AL-CRT1208BB
5/16"-1"
from $20.96
each
14g Titanium Circular Barbell by Anatometal
00g Titanium Circular Barbell by Anatometal Internal Barbells 00g - 9/16" diameter (14.3mm) Barbell Only (no balls)

14g Titanium Circular Barbell by Anatometal

AL-CRT1408BB
5/16"-5/8"
from $18.90
each
14g Titanium Spiral Barbell (external, no ends) 2-PACK
14g Titanium Spiral Barbell (external, no ends) 2-PACK External Barbells 14g - 5/16" diameter (8mm) High Polish (silver)

14g Titanium Spiral Barbell (external, no ends) 2-PACK

SPT-1408BB*
5/16"-3/8"
$7.98
pack
16g Titanium Spiral Barbell (external, no ends) 2-PACK
16g Titanium Spiral Barbell (external, no ends) 2-PACK External Barbells 16g - 1/4" diameter (6mm) High Polish (silver)

16g Titanium Spiral Barbell (external, no ends) 2-PACK

SPT-1606BB*
1/4"-3/8"
$7.98
pack
16g Stainless Circular Barbell (external, no ends) 2-PACK
16g Stainless Circular Barbell (external, no ends) 2-PACK External Barbells 16g - 5/16" diameter (8mm) Stainless Steel

16g Stainless Circular Barbell (external, no ends) 2-PACK

CRS-1608BB*
5/16"-3/8"
$3.98
pack
14g Titanium Circular Barbell (external, no ends) 2-PACK
14g Titanium Circular Barbell (external, no ends) 2-PACK External Barbells 14g - 5/16" diameter (8mm) High Polish (silver)

14g Titanium Circular Barbell (external, no ends) 2-PACK

CRT-1408BB*
5/16"-15/32"
$5.98
pack
14g Stainless Circular Barbell (external, no ends) 2-PACK
14g Stainless Circular Barbell (external, no ends) 2-PACK External Barbells 14g - 5/16" diameter (8mm) Stainless Steel

14g Stainless Circular Barbell (external, no ends) 2-PACK

CRS-1408BB*
5/16"-15/32"
$3.98
pack
16g Titanium Circular Barbell (external, no ends) 2-PACK
16g Titanium Circular Barbell (external, no ends) 2-PACK External Barbells 16g - 1/4" diameter (6mm) High Polish (silver)

16g Titanium Circular Barbell (external, no ends) 2-PACK

CRT-1606BB*
1/4"-15/32"
$5.98
pack
16g Titanium Twister Barbell by Anatometal
16g Titanium Twister Barbell by Anatometal Internal Barbells 16g - 5/16" diameter (8.0mm) Barbell Only (no balls)

16g Titanium Twister Barbell by Anatometal

AL-TWT1608BB
5/16"-3/8"
from $26.02
each
14g Stainless Spiral Barbell (external, no ends) 2-PACK
14g Stainless Spiral Barbell (external, no ends) 2-PACK External Barbells 14g - 5/16" diameter (8mm) Stainless Steel

14g Stainless Spiral Barbell (external, no ends) 2-PACK

SPS-1408BB*
5/16"-15/32"
$3.98
pack
16g Stainless Spiral Barbell (external, no ends) 2-PACK
16g Stainless Spiral Barbell (external, no ends) 2-PACK External Barbells 16g - 1/4" diameter (6mm) Stainless Steel

16g Stainless Spiral Barbell (external, no ends) 2-PACK

SPS-1606BB*
1/4"-3/8"
$3.98
pack