PROFESSIONAL MANDOLIN “F” STYLE (409 SERIES)

The Professional Mandolin (409 Series) machine heads are the latest in technology and beautifully designed to complement any style mandolin. With 18:1 gear ratio.

The 409 Series professional mandolin machine heads are the latest in technology and beautifully designed to complement any style mandolin. A specially engineered, adjustable worm gear and die-cast plate maintain the center lines of the gear and worm to insure correct alignment for the finest tuning possible.

  • Open gears in modern “worm over” configuration
  • Die-cast plate
  • Bell-top button screw for vintage look
  • 14:1 gear ratio
  • 25/64” post hole
  • Post length to hole: 15.1mm
  • Overall post length: 30.3mm
  • Weight per pc/per set: 2.2oz/4.4oz
  • Max. string gauge: .074”
  • Hardware included (screws)
  • Drop-in replacement for: None at this time

Available in:
Standard 4 + 4, For “F” style Mandolins with Pearloid Buttons, Set of 2
No. 409FN Nickel
No. 409FC Chrome
No. 409FG Gold

Standard 4 + 4, For “F” style Mandolins with Black Buttons, Set of 2
No. 409FNB Nickel
No. 409FCB Chrome
No. 409FGB Gold

Standard 4 + 4, For “F” style Mandolins with White Buttons, Set of 2
No. 409FNW Nickel
No. 409FCW Chrome
No. 409FGW Gold

Schematic Drawing

409F Series

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