Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 series guitar tuning machine delivers outstanding precision and smooth operation with its refined 1:18 gear ratio. Designed as an evolution of the legendary sealed tuner standard established in 1966, this modern iteration incorporates premium engineering upgrades while maintaining iconic reliability.
Every component is precision CNC-machined and surface-finished, featuring high-grade brass string posts engineered for maximum tuning stability and wear resistance. The self-locking drive mechanism paired with Schaller special grease lubrication guarantees completely maintenance-free, velvety-smooth tuning.
Equipped with an innovative stepped M6 flanged washer, this tuning machine simplifies mounting and reliably centers the post without requiring stepped headstock drilling. This design absorbs lateral pressure and eliminates tilting torque for enhanced durability and flawless functionality.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Model | M6 90 |
| Series | M6 Series |
| Gear Ratio | 1:18 |
| Post Material | Brass |
| Lubrication | Schaller Special Grease (Maintenance-Free) |
| Button Bore Diameter | 4.2 mm with 3.6 mm driving surface |
| Stepped Flanged Washer Diameter | 0.39 in |
| Product Weight | 0.13 lb |
