Schaller M6 180 Guitar Tuning Machine
The Schaller M6 180 guitar tuning machine represents the benchmark for enclosed tuning mechanisms, setting standard-defining tuning precision and comfort with an upgraded 1:18 gear ratio. CNC-machined with high accuracy and high-grade surface finishing, each component ensures smooth, velvet-like tuning performance and long-lasting tuning stability.
Featuring high-grade brass string posts precisely fitted into the housing, this machine head prevents wear while delivering maximum performance. The innovative stepped M6 flanged washer ensures straightforward installation and durable centering without requiring a stepped headstock bore, effectively eliminating tilting moments.
All enclosed internal mechanisms are permanently lubricated with Schaller special grease for completely maintenance-free operation. Designed to easily replace legacy original housings without modifications, this tuning machine provides dependable performance for modern and vintage instruments alike.
| Brand | Schaller |
| Model | M6 180 |
| 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 | Diameter 0.17 in (4.2 mm) with driving surface 0.14 in (3.6 mm) |
| Flanged Washer Diameter | 0.39 in (10 mm) |
| Product Weight | 0.13 lb |
| Lubrication | Permanently lubricated with Schaller special grease |





















