Schaller M6 135 Guitar Tuning Machine

The Schaller M6 135 guitar tuning machine offers precision engineering and tuning comfort with an improved 1:18 gear ratio. All components are CNC-machined and surface-treated to deliver a smooth, self-locking drive that provides consistent and sensitive tuning stability.
Equipped with high-grade brass posts fitted into the housing, this tuning machine maximizes wear resistance and performance. The stepped M6 flanged washer centers the string post securely through the banjo bolt, eliminating tilting moment and removing stress from the post and mounting screw without requiring stepped peghead holes.
Featuring the exact installation dimensions of its predecessor, the M6 135 allows direct replacement without instrument modifications. Each closed machine is permanently lubricated with Schaller special grease for completely maintenance-free operation.
Brand
Schaller
Series
M6 Series
Model
M6 135
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Post Material
Brass
Button Bore Hole
Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive surface
Single Tuner Weight with Button (Small/Large)
Metal: 1.27 oz / 1.34 oz (36 g / 38 g); Perloid: 1.06 oz / 1.09 oz (30 g / 31 g); Ebony: 1.06 oz / 1.09 oz (30 g / 31 g)
Mounting Screws
M2.2 x 9.5
Product Weight
0.13 lb