Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 sets an industry benchmark for enclosed guitar tuning machines, delivering exceptional tuning accuracy and ultra-smooth operation. Engineered with a refined 1:18 gear ratio, it ensures precise, sensitive adjustments and rock-solid pitch stability across diverse playing styles.
Every component is CNC-machined to exacting tolerances, featuring precision brass string posts fitted securely into the housing to eliminate wear and backlash. The permanently lubricated internal drive with proprietary Schaller grease guarantees maintenance-free performance throughout its lifespan.
Equipped with an innovative stepped flanged washer, this tuning machine simplifies installation by reliably centering the string post without requiring stepped headstock drilling. It shares identical footprint dimensions with classic predecessors for a seamless drop-in upgrade.
| Brand | Schaller |
| Product Line | M6 Series |
| Product Type | Guitar Tuning Machine |
| SKU | 10020623.01.55 |
| Gear Ratio | 1:18 |
| Post Material | High-Grade Brass |
| Weight per Individual Tuner (Small / Large Button) | Metal (0.08 lb / 0.08 lb), Perloid (0.07 lb / 0.07 lb), Ebony (0.07 lb / 0.07 lb) including banjo bolt |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) driving surface |
| Weight | 0.8 lb |
| Lubrication | Schaller Special Grease (Permanently Lubricated) |
