Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 guitar tuning machine represents precision engineering and refined performance, setting a high standard for enclosed tuners. Equipped with a 1:18 gear ratio, it delivers exceptionally smooth and precise tuning accuracy for discerning musicians.
Crafted with CNC-machined components and high-grade brass string posts, this tuning machine ensures lasting wear resistance and reliable tuning stability. The enclosed housing comes permanently lubricated with specialized grease, guaranteeing completely maintenance-free operation over years of play.
Featuring Schaller's innovative stepped flanged washer, the mechanism self-centers reliably to eliminate tilting moment and relieve strain from the mounting screw. Designed with standard mounting dimensions, it directly replaces predecessor models without requiring headstock modifications.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Series | M6 Series |
| Gear Ratio | 1:18 |
| Post Material | Brass |
| Button Bore Hole | 0.17 in (4.2 mm) diameter with 0.14 in (3.6 mm) drive flat |
| Single Tuner Weight with Button (Small/Large) | 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) |
| Weight | 0.13 lb |
| Lubrication | Permanently lubricated with Schaller special grease |




















