Schaller M6 Pin Guitar Tuning Machine

The Schaller M6 Pin guitar tuning machine sets an industry benchmark for precision, tuning comfort, and lasting durability. Engineered with a smooth 1:18 gear ratio, it delivers sensitive and highly accurate adjustment for stable instrument tuning.
Each component is CNC-machined to exacting tolerances, featuring premium brass string posts fitted directly into the sealed housing. A specialized self-locking drive and permanent internal lubrication guarantee entirely maintenance-free performance.
Featuring the stepped M6 flanged washer, this tuning machine simplifies installation by reliably centering the string post without requiring stepped headstock boreholes. The integrated dual-pin design ensures stable, secure mounting across compatible guitar headstocks.
Brand
Schaller
Model
M6 Pin
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Post Material
Brass
Pin Spacing (Center to Center)
0.39 in
Distance from Pins to Post Center
0.31 in
Button Bore Hole
Diameter 0.17 in with 0.14 in drive flat
Weight
0.13 lb
Lubrication
Schaller Special Grease (Permanently Lubricated)