Schaller M6 180 Guitar Tuning Machine
The Schaller M6 180 tuning machine delivers high-precision guitar tuning with a refined 1:18 gear ratio for smooth, velvety operation. Every component is CNC-machined to exacting tolerances and surface finished to ensure self-locking stability, sensitive adjustment, and dependable pitch retention.
Equipped with high-grade brass string posts engineered for maximum wear resistance, this enclosed tuner features permanent lubrication with proprietary grease for maintenance-free longevity. The stepped collar design centers the post securely through the headstock without requiring specialized step bores, eliminating tilting torque and reducing strain on the rear mounting screw.
Designed for versatile compatibility, the M6 180 fits standard installations seamlessly and supports multiple string post styles, locking configurations, and button choices. Each unit combines historic craftsmanship with modern German engineering for flawless tuning reliability.
| Brand | Schaller |
| Model | M6 180 |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Post Material | Brass |
| Button Bore Diameter | 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive flat |
| Single Unit Weight (Metal Button) | 0.08 lb / 0.08 lb (36 g / 38 g) |
| Single Unit Weight (Perloid Button) | 0.07 lb / 0.07 lb (30 g / 31 g) |
| Single Unit Weight (Ebony Button) | 0.07 lb / 0.07 lb (30 g / 31 g) |
| Product Weight | 0.13 lb |
| Lubrication | Maintenance-free Schaller special grease |



















