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PNI Painful Pleasures UR321 00g internal 00g Stainless Steel Circular Barbell Internally Threaded P3509704PNI-UR321-00G-INTERNAL https://cdnimages.opentip.com/full/PNI/PNI-UR321-00G-INTERNAL.jpg Painful Pleasures UR321 00g internal 00g Stainless Steel Circular Barbell Internally Threaded SKUUR321-00g-internalWeight0.1080BrandPainful PleasuresMaterial316L ASTM F-138 Implant Grade Stainless SteelThreadingInternal 2mm00g Circular Barbell - Stainless Steel & Internally ThreadedThis stainless steel circular barbell comes in various diameters, from 16mm (5/8\") through 28mm (1-1/8\").  All sizes come with 12mm, 14mm, or 16mm stainless steel balls which both unscrew. The circular barbell has Internal 2mm threading and is 316L Stainless Steel.   Specifications:Gauge: 00g (10mm)Diameter: 16mm (5/8\") through 28mm (1-1/8\") availableBall Size: 12mm (15/32\"), 14mm (9/16\"), or 16mm (5/8\")Material: 316L Stainless SteelThreading: Internal 2mmReplacement Balls (Internal 2mm Threading):Standard Body Jewelry MeasurementsThe following webchart is a quick reference guide for standard body jewelry measurements and how to measure basic body jewelry. Please print this webchart to help measure your body jewelry accurately.Visit our PainfulPleasures Infocenter for additional body jewelry information. There, you will find detailed articles on standard body jewelry sizes, how to measure body jewelry, basic body jewelry, and more.Standard Body Jewelry ThreadingEnsure compatibility between standard (non-custom) PainfulPleasures body jewelry parts using the tables below. More information on threading, including custom thread patterns, can be found in our Threading Infocenter article.Internally threaded jewelry has a threaded post on the top and/or end, which is then inserted into a threaded hole in the barbell shaft.Internal Thread Patterns by GaugeGauge18g, 16g14g, 12g10g–00gInternal Thread Pattern0.8mm or 0.9mm1.2mm2.0mmExternally threaded jewelry has a threaded post on the barbell shaft, which is then inserted into a threaded hole in the top and/or end.External Thread Patterns by GaugeGauge18g, 16g14g, 12g, 10gExternal Thread Pattern1.2mm1.6mm 3509704 0.3000lbs 0.00 0.00 0.00
Painful Pleasures
11.2400 2025-04-18 Discontinued

Painful Pleasures UR321-00g-internal 00g Stainless Steel Circular Barbell - Internally Threaded

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SKU: PNI-UR321-00G-INTERNAL
List Price: $14.99
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00g Circular Barbell - Stainless Steel & Internally Threaded

This stainless steel circular barbell comes in various diameters, from 16mm (5/8") through 28mm (1-1/8").  All sizes come with 12mm, 14mm, or 16mm stainless steel balls which both unscrew. The circular barbell has Internal 2mm threading and is 316L Stainless Steel.   

Specifications:

  • Gauge: 00g (10mm)
  • Diameter: 16mm (5/8") through 28mm (1-1/8") available
  • Ball Size: 12mm (15/32"), 14mm (9/16"), or 16mm (5/8")
  • Material: 316L Stainless Steel
  • Threading: Internal 2mm
Replacement Balls (Internal 2mm Threading):

Standard Body Jewelry Measurements

The following webchart is a quick reference guide for standard body jewelry measurements and how to measure basic body jewelry. Please print this webchart to help measure your body jewelry accurately.

Painful Pleasures UR321-00g-internal 00g Stainless Steel Circular Barbell - Internally Threaded

Visit our PainfulPleasures Infocenter for additional body jewelry information. There, you will find detailed articles on standard body jewelry sizes, how to measure body jewelry, basic body jewelry, and more.

Standard Body Jewelry Threading

Ensure compatibility between standard (non-custom) PainfulPleasures body jewelry parts using the tables below. More information on threading, including custom thread patterns, can be found in our Threading Infocenter article.

Internally threaded jewelry has a threaded post on the top and/or end, which is then inserted into a threaded hole in the barbell shaft.

Internal Thread Patterns by Gauge


Externally threaded jewelry has a threaded post on the barbell shaft, which is then inserted into a threaded hole in the top and/or end.

External Thread Patterns by Gauge

size chart

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

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