Schaller M6 Pin Guitar Tuning Machine
The Schaller M6 Pin tuning machine delivers legendary performance with a precise 1:18 gear ratio for smooth, accurate tuning. CNC-machined components and high-grade brass posts ensure exceptional durability, maximum tuning stability, and maintenance-free operation powered by permanent Schaller special grease lubrication.
Featuring an innovative stepped flanged washer with a 0.39 in diameter, this tuner eliminates headstock tilt torque and simplifies installation without requiring step-drilled holes. The dual-pin design maintains the classic housing dimensions with a 0.39 in center-to-center pin spacing and a 0.31 in distance from pins to string post.
Equipped with a self-locking drive and robust internal construction, it provides ultra-fine adjustment sensitivity. This closed-gear tuner offers reliable, long-lasting performance for solid headstock electric and acoustic guitars.
| Brand | Schaller |
| Series | M6 Series |
| Gear Ratio | 1:18 |
| Gear Type | Closed Gear |
| Post Material | Brass |
| Weight per Unit 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 |
| Button Borehole | 0.17 in diameter with 0.14 in drive flat |
| Pin Spacing (Center to Center) | 0.39 in |
| Distance Between Pins and Center of String Post | 0.31 in |
| Flanged Washer Diameter | 0.39 in |
| Product Weight | 0.13 lb |


















