Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 guitar tuning machine sets an industry standard for closed-type tuners, engineered with a precise 1:18 gear ratio for smooth, velvety, and accurate tuning stability. All components are CNC-machined to exact tolerances, surface-treated, and permanently lubricated with specialized Schaller grease for entirely maintenance-free operation.
Featuring high-grade brass string posts precisely fitted into the housing, these tuners deliver long-lasting wear resistance and reliable pitch retention. The innovative stepped M6 flanged washer centers the string post without requiring stepped peghead drilling, effectively eliminating tilting moments and relieving stress from both the post and the rear mounting screw.
Designed with identical mounting dimensions to its classic predecessor, the M6 135 allows direct replacement on guitar headstocks without modifications. Each set includes precision mounting hardware for a secure, professional installation.
| Gear Ratio | 1:18 |
| Weight per Single Tuner with Button (Small/Large) | Metal (0.08 lb / 0.08 lb), Perloid (0.07 lb / 0.07 lb), Ebony (0.07 lb / 0.07 lb) including banjo bolt |
| Button Bore Hole | Diameter 0.17 in with 0.14 in drive flat |
| Brand | Schaller |
| Model | M6 135 |
| Product Type | Guitar Tuning Machines |
| String Post Material | Brass |
| Lubrication | Permanently lubricated with Schaller special grease |
| Product Weight | 0.79 lb |
