Schaller M6 180 Guitar Tuning Machine
The Schaller M6 180 guitar tuning machine represents an industry benchmark in enclosed tuning stability, featuring a refined 1:18 gear ratio for smooth, precise adjustments. High-precision CNC-machined components and high-grade brass string posts ensure wear-free longevity and exceptional performance.
Equipped with an innovative stepped M6 flanged washer, this tuner allows straightforward installation and reliable shaft centering without requiring a stepped peghead bore. Permanent lubrication with specialized Schaller grease ensures completely maintenance-free operation over time.
Designed as a direct drop-in replacement for previous M6 models, the M6 180 mounts without modifications to deliver uncompromising tuning accuracy across diverse acoustic and electric guitar setups.
| Brand | Schaller |
| Model | M6 180 |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| String Post Material | Brass |
| Button Bore Diameter | 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive flat |
| Item Weight | 0.79 lb |
| Weight per Single Tuner (Small/Large Button) | Metal (1.27 oz / 1.34 oz), Perloid (1.06 oz / 1.09 oz), Ebony (1.06 oz / 1.09 oz) |
| Mounting Screws Included | 6 x M2.2 x 9.5 |



















