Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 guitar tuning machine delivers outstanding tuning precision and smooth operation with an improved 1:18 gear ratio. Designed as the modern evolution of the legendary original closed tuning machine, it combines classic aesthetics with state-of-the-art engineering.
Each component is CNC-machined to exact tolerances and permanently lubricated with Schaller special grease for maintenance-free performance. High-grade brass string posts and self-locking drive mechanisms provide exceptional tuning stability and wear resistance.
Featuring the innovative stepped M6 flanged washer, this tuning machine centers the string post securely without requiring a counterbore in the headstock. With identical installation dimensions to its predecessor, it offers a direct, modification-free replacement.
| Brand | Schaller |
| Model | M6 135 |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| 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 |
| Total Weight | 0.79 lb |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with driving surface 0.14 in (3.6 mm) |
| String Post Material | Brass |
| Mounting Screws Included | M2.2 x 9.5 mm (0.37 in) |
| Lubrication | Maintenance-free Schaller special grease |
