Schaller M6 Pin Guitar Tuning Machine

The Schaller M6 Pin guitar tuning machine delivers outstanding precision and smooth handling with an upgraded 1:18 gear ratio. Continuing the benchmark set by the legendary original closed tuning machine in 1966, this modern version incorporates CNC-machined components and high-grade brass posts fitted seamlessly into the housing for maximum tuning stability and wear resistance.
Featuring the innovative stepped M6 flanged washer, this tuner simplifies installation and maintains rock-solid post centering. The additional 0.39-inch diameter step at the washer base eliminates tilting moments, relieving stress from both the string post and rear fixing screws without requiring stepped headstock drilling.
All enclosed components are permanently lubricated with specialized Schaller grease to ensure completely maintenance-free performance. Designed with a dual-pin configuration and an 0.31-inch distance from pins to post center, it provides a stable, direct-mount fit for modern solid headstocks.
Brand
Schaller
Model Number / SKU
1003
Product Type
Guitar Tuning Machine
Series
M6 Series
Gear Ratio
1:18
Post Material
High-Grade Brass
Lubrication
Permanent Schaller Special Grease
Pin Spacing (Center to Center)
0.39 in
Distance Pins to Post Center
0.31 in
Flanged Washer Step Diameter
0.39 in
Button Bore Diameter
0.17 in (with 0.14 in drive flat)
Weight
0.13 lb