Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 guitar tuning machine delivers outstanding precision and tuning comfort with its refined 1:18 gear ratio. All components are CNC-machined to exact tolerances, high-grade surface finished, and permanently lubricated with Schaller special grease for maintenance-free operation.
Featuring high-quality brass string posts precisely fitted into the housing, this tuning machine provides exceptional tuning stability and wear resistance. The self-locking drive mechanism ensures smooth, sensitive, and reliable string adjustments across various headstock setups.
Equipped with the innovative stepped M6 flanged washer, it eliminates the need for stepped headstock drilling and reliably centers the post. It shares identical mounting dimensions with predecessor models, allowing seamless installation and direct replacement.
| Gear Ratio | 1:18 |
| Weight per Single Tuner with Button (Small/Large) | Metal (1.27 oz / 1.34 oz), Perloid (1.06 oz / 1.09 oz), Ebony (1.06 oz / 1.09 oz) including banjo bolt |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with drive flat 0.14 in (3.6 mm) |
| Product Weight | 0.79 lb |
| Brand | Schaller |
| Model | M6 90 |
| Product Line | M6 Series |
| String Post Material | Brass |
| Lubrication | Permanently lubricated with Schaller special grease |
