Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 guitar tuning machine delivers outstanding precision and smooth tuning comfort with an upgraded 1:18 gear ratio. CNC-machined components and surface finishes ensure smooth, sensitive, and reliable operation across all playing styles.
Featuring high-grade brass posts precision-fitted into the housing, this tuning machine provides maximum tuning stability and wear resistance. The innovative stepped M6 flanged washer centers the string post securely without requiring a stepped peghead bore, eliminating tilting torque and reducing stress on mounting components.
Permanently lubricated with Schaller special grease for maintenance-free performance, the M6 90 maintains the identical mounting dimensions of its predecessor for direct replacement without instrument modifications.
| Brand | Schaller |
| Model | M6 90 |
| Series | M6 Series |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive flat |
| Weight per Unit (Small/Large Button) | 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) |
| Product Weight | 0.13 lb |
| Material | Brass posts, CNC-machined metal housing |
| Lubrication | Schaller special grease (maintenance-free) |
