Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 guitar tuning machine delivers high tuning precision and smooth operation with an advanced 1:18 gear ratio. Designed to set the standard in enclosed tuning machine engineering, it combines precision CNC-machined components with a self-locking drive for lasting stability.
Crafted with premium brass string posts and permanently lubricated with proprietary Schaller grease, this tuner is entirely maintenance-free. The robust construction ensures wear-free longevity and exceptional tuning accuracy for everyday performance.
Featuring the innovative stepped M6 flanged washer, it eliminates tilting moment and centers the post effortlessly without requiring stepped headstock drilling. Retaining identical installation dimensions to its predecessor, it serves as a direct drop-in replacement without necessary instrument modifications.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Model | M6 90 |
| Series | M6 Series |
| 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 Hole Bore | Diameter 0.17 in (4.2 mm) with driving surface 0.14 in (3.6 mm) |
| Post Material | Brass |
| Lubrication | Schaller special grease (maintenance-free) |
| Product Weight | 0.79 lb |
