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 and permanently lubricated with Schaller special grease for completely maintenance-free operation.
Engineered with high-grade brass string posts precisely fitted into the housing, this machine head provides maximum tuning stability and wear resistance. The self-locking drive mechanism ensures uniform, sensitive, and dependable adjustments across all playing conditions.
Featuring the innovative stepped M6 flanged washer with a 0.39 in (10 mm) base, installation is effortless and eliminates the need for stepped peghead holes. It shares identical mounting dimensions with its predecessor model for direct, seamless replacement on standard headstocks.
| Brand | Schaller |
| Series | M6 Series |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| String Post Material | High-grade Brass |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive flat |
| Weight per Unit with Button | Metal (1.27 oz / 1.34 oz), Perloid (1.06 oz / 1.09 oz), Ebony (1.06 oz / 1.09 oz) |
| Total Weight | 0.79 lb |
| Mounting Screws Included | 6 x M2 x 9.5 mm (0.37 in) |
