HM Direct Drive Classic Red - Adjustable Stroke Rotary Tattoo Machine - RCA Model

Red • RCA • Rotary Tattoo Machine
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Weight 0.490500
Brand HM Tools & Dye

Direct Drive Classic Red by HM Tools & Dye – Adjustable Stroke Length Rotary Machine with RCA Connection

Years of tattoo experience and the desire to provide only the finest machines led to the start and growing success of HM Tools & Dye. This company, based in Madrid, Spain, manufactures all machines in house from a solid block of 7075 Aircraft Aluminum, brass, or top quality iron with CNC machinery. The only imported part used on an HM tattoo machine is the high quality Swiss Maxon motor, which has a 22mm diameter and the HM logo on each side.

The Direct Drive Classic is HM’s latest rotary tattoo machine with an adjustable stroke system that gives it the ability to do any type of work, from lining to dot work to shading and/or packing. The stroke length can be adjusted without having to take apart or change any parts on the machine and the excenter features four stroke position marks to determine and set the stroke length from 2.5mm up to 5.5mm. It boasts a 10mm German sealed bearing slide with a security system that keeps it together while adjusting the stroke. Please see below for recommended stroke and voltage settings depending on the work being done.

The Direct Drive Classic is available in two anodized finishes, Black or Red, with either an RCA or clip cord hook-up. This listing is for the Direct Drive Classic in Red with an RCA connection. Trust in the tools for the trade from tattooers, for tattooers.


  • Red anodized finish frame CNC machined from a solid block of 7075 Aircraft Aluminum
  • Adjustable stroke length from 2.5mm up to 5.5mm
  • 22mm diameter Swiss Maxon motor with HM logo
  • 10mm German sealed bearing with security system
  • Excenter with four stroke positions; allen key included
  • No oil or grease necessary for maintenance
  • Ideal for all types of work (lining, color packing, shading, etc.)
  • RCA hook-up; Clip cord model available
  • Available in Black finish
  • HM Tools & Dye owned and operated by tattoo artists
  • Manufactured in Madrid, Spain

Recommended Stroke and Voltage Settings:

Black & Grey2.5mm6 to 8 volts
Color Packing3.5mm5 to 7 volts
Lining3.5mm to 4.5mm6 to 9 volts
Dot Work4.5mm to 5.5mm4.5 to 6 volts
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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