Schaller M6 135 Guitar Tuning Machine

The Schaller M6 135 guitar tuning machine offers precision engineering and smooth tuning stability with an improved 1:18 gear ratio. All components are high-precision CNC-machined and surface-treated, featuring a self-locking drive that ensures consistent, fine-tuned control during performance.
Crafted with premium brass string posts precisely fitted into the housing, this tuning machine provides maximum wear resistance and tuning accuracy. The innovative stepped M6 flanged washer ensures effortless installation and secure shaft centering across solid headstocks, reducing mechanical stress on the post and fixing screw.
Equipped with permanent lifetime lubrication using proprietary Schaller grease, these enclosed tuning machines remain completely maintenance-free. Designed with identical mounting dimensions to its legacy predecessor, it allows seamless direct replacement without guitar modifications.
Brand
Schaller
Series
M6 Series
Model
M6 135
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Post Material
Brass
Lubrication
Schaller Special Grease (Maintenance-Free)
Button Borehole
Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive surface
Weight per Single Tuner 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) including threaded bushing
Product Weight
0.79 lb