Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 guitar tuning machine delivers outstanding precision and tuning comfort with an improved 1:18 gear ratio. All components are high-precision CNC-machined and surface-finished, featuring a self-locking drive that ensures smooth, sensitive, and stable tuning.
Crafted with premium brass posts precisely fitted into the housing, these tuners guarantee maximum tuning stability and wear-free operation. The enclosed design is permanently lubricated with Schaller special grease, making each tuning machine completely maintenance-free.
Featuring the innovative stepped M6 flanged washer, it eliminates tilting moment and centers the string post securely without requiring stepped peghead bore holes. Designed with the identical mounting dimensions as its predecessor, it offers seamless replacement without modifications.
| Brand | Schaller |
| Series | M6 Series |
| Model | M6 90 |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Post Material | High-Grade Brass |
| Weight per Single Tuner with Button (Small / Large) | Metal (1.3 oz / 1.3 oz), Perloid (1.1 oz / 1.1 oz), Ebony (1.1 oz / 1.1 oz) including hollow screw |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with driving flat 0.14 in (3.6 mm) |
| Total Weight | 0.79 lb |
| Lubrication | Schaller Special Grease (Maintenance-Free) |
