Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 guitar tuning machine sets an industry standard for enclosed tuners, featuring an upgraded 1:18 gear ratio that provides velvety smooth action and precise tuning control. Every component is CNC-machined to exact tolerances and permanently lubricated with proprietary grease for maintenance-free reliability.
Equipped with high-grade brass posts precision-fitted into the housing, the M6 135 delivers maximum tuning stability and wear-free performance. The self-locking drive mechanism ensures consistent tension and responsive adjustments during live performance and studio sessions.
Featuring the innovative stepped flanged washer, this tuning machine simplifies installation by reliably centering the string post without requiring stepped headstock drilling. The M6 135 shares identical mounting dimensions with its predecessor model, allowing seamless drop-in replacement on compatible guitars.
| 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 |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive surface |
| String Post Material | Brass |
| Mounting Washer Type | Stepped Flanged Washer |
| Lubrication | Permanent Special Grease |
| Product Weight | 0.79 lb |
