Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 tuning machine sets an industry benchmark for precision and tuning stability, featuring an improved 1:18 gear ratio for smooth, accurate adjustments. CNC-machined components and a self-locking drive ensure velvet-smooth operation, while premium brass string posts guarantee long-lasting, wear-free performance.
Equipped with an innovative stepped collar washer, this tuner allows effortless installation and maintains reliable post centering without requiring stepped headstock drilling. This design eliminates tilting torque and reduces strain on both the string post and rear mounting screw, extending the life of your hardware.
Featuring permanent lubrication with Schaller special grease, these sealed tuning machines offer completely maintenance-free operation. They share identical mounting dimensions with legacy M6 models, making them a direct retrofit replacement without headstock modifications.
| Brand | Schaller |
| Model | M6 135 |
| Product Type | Guitar Tuning Machine |
| Series | M6 Series |
| Gear Ratio | 1:18 |
| Weight | 0.79 lb |
| Post Material | Brass |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive flat |
| Individual Unit Weight 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 banjo bolt |
| Lubrication | Permanent Schaller Special Grease |
