Schaller M6 180 Guitar Tuning Machine
The Schaller M6 180 represents the pinnacle of closed tuning machine engineering, delivering unmatched precision and tuning stability with an upgraded 1:18 gear ratio. Designed with high-precision CNC-machined components and surface finishes, it ensures a smooth, sensitive, and reliable tuning experience across all playing conditions.
Featuring premium brass string posts carefully fitted into sealed housings, each unit is permanently lubricated with Schaller special grease for completely maintenance-free operation. The self-locking internal drive mechanics eliminate slippage and ensure steadfast tuning accuracy over extended playing sessions.
Equipped with an innovative stepped flanged washer, this tuning machine simplifies installation while reliably centering the string post to protect against mechanical strain and wear. Designed as a direct drop-in replacement for earlier models, it delivers professional reliability and refined performance.
| Gear Ratio | 1:18 |
| 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 Hole Diameter | Diameter 0.17 in with driving surface 0.14 in |
| Product Weight | 0.79 lb |
| Brand | Schaller |
| Manufacturer | Schaller GmbH |
| Series | M6 Series |
| String Post Material | Brass |
| Lubrication | Schaller Special Grease (Maintenance-Free) |





















