Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 guitar tuning machine delivers precise tuning comfort and exceptional stability, driven by an advanced 1:18 gear ratio. Designed with high-precision CNC-machined components and high-grade brass posts, it ensures smooth, wear-free performance for professional instruments.
Equipped with an innovative stepped M6 flanged washer, this tuning machine simplifies installation by reliably centering the string post without requiring stepped headstock boreholes. The self-locking internal mechanism is permanently lubricated with specialized grease for completely maintenance-free operation.
Featuring the exact mounting dimensions of its classic predecessor, the M6 135 enables direct drop-in replacement without instrument modifications. It combines historic reliability with modern acoustic precision, offering consistent string tension and pitch retention.
| Brand | Schaller |
| Model | M6 135 |
| Series | M6 Series |
| Gear Ratio | 1:18 |
| Weight per Single Tuner (Small / Large Button) | Metal (1.3 oz / 1.3 oz), Perloid (1.1 oz / 1.1 oz), Ebony (1.1 oz / 1.1 oz) including banjonut |
| Button Hole Diameter | 0.2 in (4.2 mm) with 0.1 in (3.6 mm) drive flat |
| Product Weight | 0.13 lb |
| String Post Material | High-grade brass |
| Lubrication | Permanently lubricated, maintenance-free |
