Industrial Strength Titanium Flat Back Onyx Cabochon End

Industrial Strength

Size Guide

Striking gem attachment featuring a natural bezel set cabochon gemstone.  Treat yourself to the best body jewellery - highly acclaimed and world leading Industrial Strength.  This jewellery carries a lifetime guarantee.

This attachment will screw into an internal thread labret (not included).  Complete the set with an Industrial Strength flat back labret.  Please note:  Industrial Strength ends and labrets must be teamed together to guarantee a smooth and secure thread alignment.  Other threaded jewellery Brands are unlikely to fit! 

ASTM F-136 implant grade of titanium is safe for use in body piercing and for long-term wear.  It is lightweight, polished and made to a high finish.  

Please note: as with all natural gemstones, colour and markings may vary.  Each item is unique!

  • Material: Implant/Medical Grade Titanium ASTM F-136
  • Thread: Screws into an internal thread labret post.
  • Thread Gauge: 0.9mm suitable for 18 & 16g posts (1 & 1.2mm)
  • Gem Diameter: 3 or 4mm plus 0.7mm titanium bezel.
  • Gem Info:
    Black Onyx cabochon gemstone
  • Setting: Bezel set
  • Suitable Piercing: Helix, lobe, tragus, scapha, Medusa/Philtrum or conch.

Industrial Strength jewellery can be pre-ordered in many different styles and gems.  Contact us if you have a specific requirement.

  • We list all measurements including the jewellery gauge, length or internal diameter in the product description. We recommend visiting a Body Piercer for correct sizing but apreciate this isn't always possible. Therefore, it's easiest to use your current jewellery as a guide for sizing. To find out how to measure your jewellery, see our Measuring Guide. If you need any additional help, Contact us.
  • We are an official stockist of APP Approved Brands and can offer custom ordering of precious, semi-precious or synthetic gemstones in implant grade gold, steel and titanium from Anatometal, Auris, Industrial Strength, Junipurr, LeRoi & Neometal. Please head over to our Custom Jewellery Order Form for more information.
  • We offer Worldwide postage. All orders received by 2pm Monday to Friday are sent the same day! We send all orders by Tracked Postage. For UK orders we use Tracked 48 or Next Day Delivery. Read our Delivery & Postage Policy for more information on shipping types and times.
  • Jewellery orders will arrive sealed in clear packaging. Returns are accepted providing the jewellery, hygiene seal and packaging are intact. Please read our Returns Policy for further information.
  • Purchasing for someone else? Our jewellery looks beautiful when presented in our branded Gift Box. Spend over £50 on a single item and you'll receive one for free!
Size Chart


Gauge (G) / Post Thickness


Length / Internal Diameter

1mm = 18G 3.1mm = 1/8"
1.2mm = 16G 3.9mm = 5/32"
1.6mm = 14G 4.7mm =3/16"
2.0mm = 12G 5.5mm = 7/32"
2.4mm = 10G 6.4mm = 1/4"
3.2mm = 8G 7.1mm = 9/32"
4mm = 6G 7.9mm = 5/16"
5mm = 4G 8.7mm = 11/32"
6mm = 2G 9.5mm = 3/8"
8mm = 0G 11.1mm = 7/16"
10mm = 00G 12.7mm = 1/2"
12mm = 1/2" 14.2mm = 9/16"
14mm = 9/16" 15.8mm = 5/8"
16mm = 5/8" 17.4mm = 11/16"
18mm = 11/16" 19mm = 3/4"
20mm = 13/16" 20.6mm = 13/16"
22mm = 7/8" 22.2mm= 7/8"
See how and where to apply these measurements on our handy pictorial guide.