Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 Guitar Tuning Machine represents precision engineering and modern innovation in closed guitar tuning machines. Equipped with an upgraded 1:18 gear ratio, it delivers an exceptionally smooth, accurate, and stable tuning performance for electric and acoustic guitars.
Crafted with CNC-machined brass string posts and permanently lubricated with Schaller special grease, each unit guarantees zero-maintenance operation and long-lasting wear resistance. The self-locking drive ensures continuous friction control and dependable pitch stability under rigorous playing conditions.
Featuring the innovative stepped M6 flanged washer, this tuner eliminates tilting torque and self-centers the string post securely without requiring stepped peghead counterbores. It matches the original installation dimensions for an effortless drop-in replacement.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Model | M6 90 |
| Series | M6 Series |
| SKU | 10050271.05.37 |
| Gear Ratio | 1:18 |
| String Post Material | Brass |
| Bore Hole for Button | Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive flat |
| Product Weight | 0.79 lb |
| Single Unit Weight with Button | Metal: 1.27 oz / 1.34 oz (36 g / 38 g); Perloid: 1.06 oz / 1.09 oz (30 g / 31 g); Ebony: 1.06 oz / 1.09 oz (30 g / 31 g) |
| Lubrication | Schaller Special Grease (Maintenance-Free) |
