Schaller M6 180 Guitar Tuning Machine
The Schaller M6 180 guitar tuning machine sets an industry benchmark for closed tuners, featuring an upgraded 1:18 gear ratio for smooth, velvety, and exceptionally precise tuning. Each component is CNC-machined to exact tolerances and surface-finished, providing self-locking drive mechanics for outstanding tuning stability.
Crafted with durable brass string posts fitted precisely into the housing, this tuning machine delivers wear-free performance. The innovative stepped M6 flanged washer ensures effortless centering of the string post via the banjo bolt, eliminating tilt torque and protecting both the post and mounting screw without requiring stepped headstock drilling.
Permanently lubricated with Schaller special grease, the enclosed housing is completely maintenance-free. It serves as a direct, modification-free replacement for previous M6 units while delivering modern engineering enhancements.
| Brand | Schaller |
| Model | M6 180 |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Post Material | Brass |
| Weight per Single Tuner with Button (Small/Large) | Metal (1.27 oz / 1.34 oz), Perloid (1.06 oz / 1.09 oz), Ebony (1.06 oz / 1.09 oz) including hollow screw |
| Button Bore Hole | 0.17 in (4.2 mm) diameter with 0.14 in (3.6 mm) drive flat |
| Product Weight | 0.13 lb |





















