Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 sets the benchmark for closed guitar tuning machines, offering flawless tuning comfort and exceptional stability. Featuring an optimized 1:18 gear ratio, it ensures precise, velvety-smooth adjustments for every string.
Engineered with premium CNC-machined components and high-grade brass string posts, this tuning machine eliminates play and prevents wear over extensive use. The sealed design is permanently lubricated with Schaller special grease for completely maintenance-free operation.
Featuring the stepped M6 collar washer with an integrated 10 mm locating step, the post centers securely via the threaded bushing to eliminate tilt and eliminate the need for stepped headstock holes. Sharing identical mounting dimensions with its predecessor, it serves as a seamless replacement upgrade.
| Brand | Schaller |
| Model | M6 90 |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight | 0.13 lb |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with driving surface 0.14 in (3.6 mm) |
| String Post Material | Brass |
| Lubrication | Schaller Special Grease (Maintenance-Free) |
