Schaller M6 Pin Guitar Tuning Machine
The Schaller M6 Pin guitar tuning machine sets an industry benchmark for precision and stability with its refined 1:18 gear ratio. Engineered for exceptionally smooth and reliable tuning, each tuner features CNC-machined components with a self-locking drive mechanism that guarantees delicate, friction-free adjustments.
Crafted with premium brass string posts precisely fitted into the housing, these tuners deliver unmatched wear resistance and tuning retention. The innovative stepped M6 flanged washer ensures effortless installation and consistent post alignment across the headstock, completely eliminating tilt and relieving lateral stress on mounting hardware.
Permanently lubricated with specialized Schaller grease, the sealed housing provides completely maintenance-free operation for lasting performance. Each unit is built to exact standards, making it an ideal choice for premium guitar builds and high-grade instrument upgrades.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Series | M6 Series |
| Gear Ratio | 1:18 |
| 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 0.14 in (3.6 mm) drive flat |
| Pin Spacing | 0.39 in (10 mm) center to center |
| Pin to Post Center Distance | 0.31 in (8 mm) |
| Post Material | High-Grade Brass |
| Lubrication | Sealed Schaller Special Grease (Maintenance-Free) |
| Product Weight | 0.79 lb |




















