Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 guitar tuning machine delivers outstanding precision and tuning comfort with its advanced 1:18 gear ratio. All components are high-precision CNC-machined and surface-finished, featuring a self-locking drive mechanism that guarantees smooth, sensitive, and stable operation.
Equipped with high-grade brass string posts engineered for maximum wear resistance and tuning stability, each unit is permanently lubricated with Schaller special grease for maintenance-free longevity. The innovative stepped M6 flanged washer ensures effortless centering and secure installation without requiring stepped headstock boreholes.
Featuring identical mounting dimensions to its classic predecessor, this enclosed tuning machine offers seamless drop-in replacement and includes matching banjo bolts, stepped washers, and mounting screws for complete installation.
| Brand | Schaller |
| Product Line | M6 Series |
| Model | M6 90 |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Post Material | Brass |
| Button Bore Hole | 0.17 in (4.2 mm) diameter with 0.14 in (3.6 mm) drive flat |
| Weight per Single Tuner with Button (Small/Large) | Metal: 1.27 oz / 1.34 oz (36 g / 38 g), Perloid: 1.06 oz / 1.09 oz (30 g / 31 g), Ebony: 1.06 oz / 1.09 oz (30 g / 31 g) |
| Lubrication | Permanently lubricated with Schaller special grease |
