Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 guitar tuning machine offers precision and tuning comfort with an upgraded 1:18 gear ratio. All components are CNC-machined and surface-treated, featuring a self-locking drive mechanism for smooth, sensitive, and stable operation.
Equipped with high-grade brass string posts fitted directly into the housing, this tuning machine delivers maximum tuning stability and wear resistance. Each unit is permanently lubricated with specialized Schaller grease for maintenance-free performance.
Featuring the innovative stepped M6 flanged washer, it centers the string post securely through the banjo bolt without requiring stepped peghead drilling. It matches the exact mounting dimensions of its predecessor for straightforward replacement without modifications.
| Gear Ratio | 1:18 |
| Weight per Single Tuner with Button (Small/Large) | Metal (1.3 oz / 1.3 oz), Perloid (1.1 oz / 1.1 oz), Ebony (1.1 oz / 1.1 oz) including banjo bolt |
| Button Bore Hole | 0.17 in diameter with 0.14 in drive flat |
| Product Weight | 0.79 lb |
| Brand | Schaller |
| Series | M6 Series |
| String Post Material | Brass |
| Lubrication | Permanently lubricated |




















