Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 guitar tuning machine offers precision engineering and legendary performance with a refined 1:18 gear ratio. All components are CNC-machined and surface-treated, featuring a self-locking drive mechanism that guarantees smooth, sensitive, and stable tuning.
Crafted with premium high-grade brass posts precisely fitted into the housing, this tuning machine delivers maximum tuning stability and wear-free operation. The enclosed housing comes permanently lubricated with Schaller special grease for completely maintenance-free functionality.
Featuring the innovative stepped M6 flanged washer, it ensures centered string post alignment without requiring stepped headstock boreholes. With identical installation dimensions to its predecessor, it serves as a seamless direct replacement.
| Brand | Schaller |
| Model | M6 135 |
| Series | M6 Series |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight | 0.13 lb |
| Button Hole Diameter | 0.17 in with 0.14 in drive flat |
| Post Material | Brass |
| Lubrication | Schaller special grease (maintenance-free) |



















