Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 guitar tuning machine sets an industry benchmark for precision and tuning stability, featuring an improved 1:18 gear ratio for velvet-smooth adjustments. Built with high-precision CNC-machined components and surface-finished parts, it utilizes a self-locking drive to provide consistent, sensitive, and dependable performance.
Crafted with premium wear-free brass string posts precisely fitted into the housing, this tuning machine ensures maximum longevity. The innovative stepped M6 flanged washer centers the string post securely via the hollow screw, eliminating tilting torque, reducing stress on mounting hardware, and removing the need for a stepped peghead hole.
Designed with identical installation dimensions to its predecessor, the M6 135 allows for seamless drop-in replacement without instrument modification. All enclosed housings come permanently lubricated with Schaller special grease for completely maintenance-free operation across a wide variety of configurations.
| Brand | Schaller |
| Series | M6 Series |
| Model | M6 135 |
| SKU | 10020570.01.55 |
| Gear Ratio | 1:18 |
| Weight | 0.13 lb |
| Weight per Single Tuner with Button (Small / Large) | Metal (1.27 oz / 1.34 oz), Pearloid (1.06 oz / 1.09 oz), Ebony (1.06 oz / 1.09 oz) including hollow screw |
| Button Bore Hole | 0.17 in (4.2 mm) diameter with 0.14 in (3.6 mm) drive flat |
| Post Material | Brass |
| Lubrication | Schaller special grease (permanently lubricated) |
