18g Internal 0.8mm Threading Titanium Straight Barbell — Price Per 1

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SKU UB365-anod
Weight 0.0014
Brand Painful Pleasures
Material Titanium 6Al-4V-Eli ASTM F-136
Threading Internal 0.8mm

18g Titanium Straight Barbell — Pick Length — Internal 0.8mm

This 18g straight barbell is a necessity in any basic body jewelry collection. The piece is available in lengths ranging from 5/16” up to 1/2”; all length options come with 3mm balls. The jewelry has internal 0.8mm threading, making it suitable for new piercings. These barbells are manufactured from high quality titanium and for a small fee, can be anodized to any one of the 26 colors listed in the drop down menu at our Hanover, MD Painful Pleasures facilities.


  • Material: Titanium 6Al-4V-Eli ASTM F-136
  • Gauge: 18g (~1mm)
  • Lengths Available: 5/16”–1/2” (~8mm–13mm)
  • Ball Size: 3mm
  • Threading: Internal 0.8mm
  • 26 Anodized color options
  • Price per one straight barbell

Compatible Jewelry:

Swarovski Flat Jewel Titanium Top – 2.5mm, 3.4mm, 4.4mm
Titanium Cone Spike Top – 2mm, 3mm, 4mm

Size Table

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.

Size Reference Chart

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


18g, 16g

14g, 12g


Internal Thread Pattern

0.8mm or 0.9mm



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


18g, 16g

14g, 12g, 10g

External Thread Pattern



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