Schaller M6 Pin Guitar Tuning Machine
The Schaller M6 Pin Guitar Tuning Machine delivers exceptional tuning accuracy and smooth operation, driven by an advanced 1:18 gear ratio. Each component is high-precision CNC-machined and surface-finished, featuring self-locking mechanics that ensure consistent, sensitive, and stable tuning performance.
Equipped with premium brass string posts precision-fitted into the housing, this tuning machine provides maximum wear resistance and pitch stability. An innovative stepped M6 flanged washer centers the string post securely through the banjo bolt, preventing tipping torque and eliminating the need for stepped headstock drilling.
Permanently lubricated with Schaller special grease, the sealed housing provides completely maintenance-free operation. Engineered with a 0.39-inch (10 mm) pin spacing and a 0.31-inch (8 mm) post-to-pin distance, it offers a secure and reliable fit for upgraded guitar headstocks.
| Brand | Schaller |
| Series | M6 Series |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Post Material | High-Grade Brass |
| Pin Spacing (Center to Center) | 0.39 in (10 mm) |
| Pin to String Post Center Distance | 0.31 in (8 mm) |
| Button Bore Hole Diameter | 0.17 in (4.2 mm) with 0.14 in (3.6 mm) flat driving surface |
| Weight | 0.13 lb |
| Weight per Single Tuner with Button (Metal) | Small: 0.08 lb (36 g) / Large: 0.08 lb (38 g) |
| Weight per Single Tuner with Button (Perloid/Ebony) | Small: 0.07 lb (30 g) / Large: 0.07 lb (31 g) |
| Lubrication | Permanently lubricated with Schaller special grease |


















