In-house CNC · Stamping · Die-cast · Electroplating — under one roof
BASS MACHINE HEADS

MB-3101

MB-3101

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MB-3101
MB-3101
MB-3101 drawing

Description

MB-3101 is a bass machine head with φ13.8 mm post, 31.7 mm post length, φ18.4 mm headstock bore.

Tuning machine specs

  • Post diameter φ13.8 mm
  • Post length 31.7 mm (1.248 in)
  • Headstock bore φ18.4 mm
  • Housing width 34.2 mm (1.346 in)
  • Housing depth 42.2 mm (1.661 in)
  • Housing height 9.8 mm (0.386 in)
  • Bushing height 9 mm (0.354 in)
  • Washer outer diameter φ21 mm
  • Mount style Four-screw plate mount

Hardware

  • Material Zinc alloy
  • Adjustment Tuning adjustment
  • Finish More colors — see matching swatches

Features

  • Open-gear machine head
  • Four-screw plate mount

About measurements

Post diameter

13.8 mm (0.543 in)

Diameter of the string post where the string is wound.

Headstock bore

18.4 mm (0.724 in)

Recommended headstock hole diameter for the tuner collar.

Configurations

MB-3101 L4
L4
MB-3101 R4
R4
MB-3101 2+2
2+2

Gear ratio

22:1