Schaller M6 180 Guitar Tuning Machine
The Schaller M6 180 sets a high standard for closed guitar tuning machines, featuring a precise 1:18 gear ratio that delivers velvet-smooth tuning and exceptional pitch accuracy. All parts are CNC-machined to exacting tolerances and surface-finished, utilizing a self-locking drive mechanism to ensure consistent, highly sensitive, and stable string tension adjustment.
Constructed with durable, high-grade brass string posts precisely fitted into the housing, these tuners offer maximum tuning stability and long-term wear resistance. The innovative stepped M6 flanged washer reliably centers the string post through the banjonut, eliminating tilting torque, protecting mounting screws, and removing the need for a stepped peghead bore.
Each closed machine head is permanently lubricated with Schaller special grease for completely maintenance-free performance. Designed for direct replacement of predecessor models without headstock modification, this precision hardware provides effortless installation, enhanced string stability, and dependable longevity.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Series | M6 Series |
| Gear Ratio | 1:18 |
| String Post Material | Brass |
| Button Bore Hole | Diameter 0.2 in (4.2 mm) with driving surface 0.1 in (3.6 mm) |
| Weight per Single Tuner with Button (Small/Large) | Metal (0.08 lb/0.08 lb), Perloid (0.07 lb/0.07 lb), Ebony (0.07 lb/0.07 lb) including banjonut |
| Product Weight | 0.8 lb |
| Lubrication | Permanent Schaller special grease |



















