Schaller M6 Pin Guitar Tuning Machine
The Schaller M6 Pin guitar tuning machine delivers outstanding precision and tuning comfort with an improved 1:18 gear ratio. All components are high-precision CNC-machined and surface-treated to guarantee smooth, delicate, and stable tuning through a self-locking drive.
Crafted with premium brass string posts precisely fitted into the housing, this tuning machine provides maximum tuning stability and wear-free performance. The innovative stepped M6 collar washer ensures straightforward installation and lasting axis centering without requiring a stepped peghead bore.
Featuring permanent lubrication with specialized grease, the sealed housing remains completely maintenance-free. The dual-pin mounting design offers secure positioning and direct compatibility with standard 10 mm pin spacing configurations.
| Brand | Schaller |
| Model | M6 Pin |
| Gear Ratio | 1:18 |
| Weight | 0.79 lb |
| Post Material | Brass |
| Button Borehole | Diameter 0.17 in with 0.14 in 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) including banjo bolt |
| Collar Washer Diameter | 0.39 in |
| Pin Spacing (Center to Center) | 0.39 in |
| Pin to Post Center Distance | 0.31 in |
| Mounting Screws | 6 x M2.2 x 0.37 in |
| Included Hardware | 6 x banjo bolts, 6 x collar washers, 6 x mounting screws |




















