Schaller M6 Pin Guitar Tuning Machine
The Schaller M6 Pin tuning machine sets the standard for closed guitar tuning mechanisms, offering smooth handling and exceptional tuning stability. Designed with a precise 1:18 gear ratio, this model ensures refined, velvety-smooth tuning adjustments. Every component is CNC-machined and finished for consistent, self-locking operation.
Featuring high-grade brass string posts engineered seamlessly into the housing, the M6 delivers wear-free longevity and rock-solid pitch retention. The innovative stepped M6 flanged washer reliably centers the string post through the banjo bolt, eliminating tilting friction and reducing mechanical stress without requiring a stepped peghead bore.
Permanently lubricated with Schaller special grease, all internal mechanics are entirely maintenance-free over their lifespan. The standardized two-pin housing ensures direct compatibility with modern mounting patterns while maintaining legendary acoustic and functional performance.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Series | M6 Series |
| Gear Ratio | 1:18 |
| Pin Spacing (Center to Center) | 0.39 in |
| Pin to Post Center Distance | 0.31 in |
| Flanged Washer Diameter | 0.39 in |
| Button Bore Diameter | 0.17 in (with 0.14 in driving surface) |
| String Post Material | Brass |
| Product Weight | 0.13 lb |




















