HM Pre-Assembled 8-Wrap Coil Set — 32mm

8-Wrap • 32mm
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SKU TAT-1725
Weight 0.176500
Brand HM Tools & Dye

One Pre-Assembled Set of 8 Wrap Coils by HM Tools & Dye — 32mm Core Length

Years of tattoo experience and the desire to provide only the finest machines led to the start and growing success of HM Tools & Dye.

These pre-soldered HM 8-Wrap Coil Sets are ready for convenient installation onto your tattoo machine. Each preassembled set features two durable iron coils that are hand wound with high quality isolated wire. The 8mm diameter cores are 32mm long and have a standard M4 thread size. This item is priced per one pre-assembled set of two coils.


  • Core Length: 32mm
  • Core Diameter: 8mm
  • 8-wrap; high quality isolated coil wire
  • Equipped with fiber washers
  • Standard M4 thread size
  • Ready to install
  • HM Tools & Dye owned and operated by tattoo artists
  • Manufactured in Madrid, Spain
  • Price per one set of pre-assembled coils
  • Available in 25mm and 28.5mm length
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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