Schaller M6 Pin Guitar Tuning Machine
The Schaller M6 Pin guitar tuning machine sets an industry standard for closed-back tuners, featuring an upgraded 1:18 gear ratio that delivers exceptional precision and smooth, velvety tuning control. Engineered with high-precision CNC manufacturing and surface-refined components, its self-locking drive ensures consistent, sensitive, and stable performance across all playing styles.
Crafted with premium brass string posts precisely fitted into the housing, this tuning machine delivers maximum tuning stability and wear resistance. Each closed housing is permanently lubricated with specialized Schaller grease, making the entire mechanism completely maintenance-free over its lifespan.
Installation is streamlined with the innovative stepped M6 flanged collar, which securely centers the string post through the banjonut without requiring a stepped headstock bore. This specialized design eliminates tilting torque and relieves mechanical stress from both the string post and mounting hardware.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Series | M6 Series |
| Gear Ratio | 1:18 |
| Post Material | Brass |
| Pin Spacing (Center to Center) | 0.39 in (10 mm) |
| Pin to String Post Center Distance | 0.31 in (8 mm) |
| Button Borehole | 0.17 in (4.2 mm) diameter with 0.14 in (3.6 mm) driving surface |
| Weight per Single Tuner with Button (Small/Large) | Metal (1.27 oz / 1.34 oz), Perloid (1.06 oz / 1.09 oz), Ebony (1.06 oz / 1.09 oz) |
| Product Weight | 0.13 lb |
| Lubrication | Permanently lubricated with Schaller special grease |




















