Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 features a refined 1:18 gear ratio that provides exceptional precision, smooth operation, and superior tuning comfort. Engineered with high-precision CNC manufacturing and surface finishing, its self-locking drive ensures consistent, delicate, and stable tuning performance.
Crafted with premium brass string posts precisely fitted into the housing, these tuners deliver maximum tuning stability and wear-free longevity. All enclosed mechanisms are permanently lubricated with Schaller special grease, rendering them completely maintenance-free throughout their lifespan.
The innovative stepped M6 collar washer simplifies installation by centering the string post via the banjo bolt, eliminating the need for stepped headstock drilling. This design absorbs mechanical pressure and eliminates tilting torque from both the string post and rear fixing screws.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Series | M6 Series |
| Model | M6 90 |
| Gear Ratio | 1:18 |
| Post Material | High-Grade Brass |
| Lubrication | Permanent Special Grease Lubrication (Maintenance-Free) |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive flat |
| Single Tuner Weight with Button (Small / Large) | Metal (1.27 oz / 1.34 oz), Pearloid (1.06 oz / 1.09 oz), Ebony (1.06 oz / 1.09 oz) including banjo bolt |
| Overall Weight | 0.79 lb |
