Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 sets a benchmark in guitar tuning technology, combining precision engineering with outstanding performance. Equipped with a refined 1:18 gear ratio, it delivers velvety-smooth and highly accurate tuning stability. Each component is CNC-machined and finished to exact tolerances, ensuring wear-free operation and reliable long-term durability.
Featuring high-grade brass string posts and permanently lubricated sealed housings with Schaller special grease, this tuning machine requires zero maintenance. The innovative stepped M6 flanged washer ensures effortless installation and solid post centering while eliminating tilt torque and relieving pressure from the mounting screws.
Designed with identical installation dimensions to its classic predecessor, the M6 90 allows for seamless direct replacement without guitar headstock modifications. It offers exceptional versatility across a wide range of locking options, finishes, and button styles to suit any player's setup.
| Brand | Schaller |
| Model Number | 1005 |
| Series | M6 Series |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Post Material | High-grade Brass |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with driving flat 0.14 in (3.6 mm) |
| Flanged Washer Diameter | 0.39 in (10 mm) |
| Product Weight | 0.13 lb |
| Lubrication | Schaller Special Grease (Maintenance-Free) |
