Back Spring for Tattoo Machines - Fat or Skinny

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Weight 0.002600
Brand Precision
Material Manganese Steel

Fat or Skinny Back Spring for Tattoo Machines - Tattoo Machine Supplies

Everyone needs a Back Spring for their tattoo machine. It regulates the movement of your tattoo needles and puts tension on the Front Spring so it can do its job. We offer two choices for the Back Spring, fat or skinny, both measuring 0.5mm thick. The skinny back spring measures 33mm long and 13.2mm wide. The fat back spring measures 36mm long and 16.2mm wide. Make sure to get both to determine which size works best for you and your machine! We also have the Front Springs available.


  • Quantity: 1 spring
  • Fat size: 36mm long and 16.2mm wide
  • Skinny size: 33mm long and 13.2mm wide
  • Regulates movement of needles
  • Creates tension for front spring
  • Manufacturer: Precision

Related Products:

Tattoo Machine Front Spring

Related Documents:

How Coil Tattoo Machine Springs Work

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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