Schaller M6 180 Guitar Tuning Machine

The Schaller M6 180 guitar tuning machine delivers outstanding precision and tuning comfort with an advanced 1:18 gear ratio. Continuing a legendary lineage established in 1966, this closed-gear tuner features modern innovations while maintaining classic reliability.
Precision CNC-machined components and high-grade brass string posts guarantee exceptional tuning stability, smooth operation, and wear-free longevity. Each unit is lubricated for life with specialized Schaller grease, rendering it entirely maintenance-free.
The innovative stepped M6 flanged washer ensures effortless installation and solid centering without requiring a stepped peghead bore. This design eliminates tilting torque and reduces mechanical stress on both the post and rear mounting screws.
Brand
Schaller
Product Line
M6 Series
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Post Material
High-Grade Brass
Weight per Single Tuner with Button (Small/Large)
Metal (1.27 oz / 1.34 oz), Perloid (1.06 oz / 1.09 oz), Ebony (1.06 oz / 1.09 oz) including hollow screw
Button Bore Hole
0.17 in (4.2 mm) diameter with 0.14 in (3.6 mm) drive flat
Flanged Washer Diameter
0.39 in (10 mm)
Product Weight
0.13 lb
Lubrication
Permanently lubricated with Schaller special grease