Schaller M6 180 Guitar Tuning Machine
The Schaller M6 180 guitar tuning machine sets an industry benchmark for closed-type tuning mechanisms, engineered to provide precise, velvety-smooth tuning stability. Featuring an optimized 1:18 gear ratio and self-locking drive mechanics, it enables effortless micro-adjustments and dependable pitch accuracy.
Each component is CNC-machined from premium materials, utilizing precision-fitted brass string posts and permanently lubricated internal gears with Schaller special grease for completely maintenance-free performance. The specialized stepped flanged washer ensures self-centering post alignment and eliminates lateral tilting tension on mounting screws.
Designed as a versatile upgrade or direct replacement for legacy closed tuners, the M6 180 combines classic aesthetic heritage with modern manufacturing tolerances. Its robust construction ensures exceptional durability and peak performance across various headstock configurations.
| Brand | Schaller |
| Model | M6 180 |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive flat |
| Post Material | Brass |
| Lubrication | Schaller special grease, permanently sealed |
| Weight per Single Tuner with Button (Small/Large) | Metal: 1.27 oz / 1.34 oz (36 g / 38 g), Perloid: 1.06 oz / 1.09 oz (30 g / 31 g), Ebony: 1.06 oz / 1.09 oz (30 g / 31 g) |
| Product Weight | 0.13 lb |





















