Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 guitar tuning machine offers precision engineering and refined performance, setting a benchmark for closed tuning machines. Engineered with an upgraded 1:18 gear ratio, it delivers an exceptionally smooth, accurate, and comfortable tuning experience for demanding guitarists.
Crafted with CNC-machined components and surface-finished parts, each tuning machine features premium brass string posts precisely fitted into the housing for maximum tuning stability and wear resistance. The self-locking drive and lifetime lubrication with specialized Schaller grease ensure completely maintenance-free operation.
Featuring the stepped M6 collar washer design, this tuning machine simplifies installation while reliably centering the string post to eliminate tilting friction and reduce mechanical stress on mounting hardware. It retains standard legacy dimensions for direct, modification-free retrofitting.
| Brand | Schaller |
| Series | M6 Series |
| 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 |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive flat |
| String Post Material | High-Grade Brass |
| Lubrication | Permanently lubricated with Schaller special grease |
| Mounting Screw Size | M2.2 x 9.5 mm (0.37 in) |
| Collar Washer Diameter | 0.39 in (10 mm) |
| Product Weight | 0.13 lb |
