Schaller M6 180 Guitar Tuning Machine
The Schaller M6 180 guitar tuning machine delivers precise tuning with an improved 1:18 gear ratio for smooth, velvety operation. Setting a worldwide benchmark for enclosed tuners since 1966, this model combines classic reliability with modern innovations.
Every component is CNC-machined to tight tolerances and surface-finished, featuring self-locking gearing to ensure consistent, responsive, and stable tuning. The high-grade brass posts fit precisely into the housing to maximize tuning stability and resist wear over long-term use.
An innovative stepped M6 flanged washer centers the string post reliably via the threaded bushing, eliminating tilting torque and taking pressure off both the post and mounting screw. All enclosed tuners come permanently lubricated with specialized Schaller grease for maintenance-free performance.
| Brand | Schaller |
| Model | M6 180 |
| Product Type | Guitar Tuning Machine |
| Series | M6 Series |
| Gear Ratio | 1:18 |
| Post Material | Brass |
| Button Bore Hole | 0.17 in (4.2 mm) diameter with 0.14 in (3.6 mm) drive surface |
| Weight | 0.13 lb |
| 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 |
| Lubrication | Permanently lubricated with Schaller special grease |



















