Schaller M6 Pin Guitar Tuning Machine

The Schaller M6 Pin guitar tuning machine features a 1:18 gear ratio for smooth, high-precision tuning stability. Built with CNC-machined components and a self-locking drive mechanism, it delivers consistent tension and reliable operation without gear slippage.
Crafted with premium brass string posts fitted directly into the sealed housing, each machine head is permanently lubricated with Schaller special grease for maintenance-free performance. The specialized stepped M6 washer ensures precise centering of the string post and simplifies installation without requiring stepped peghead holes.
Engineered with dual alignment pins spaced at 0.39 in (10 mm), this tuning machine maintains the classic M6 footprint while providing robust anti-tilt stability. It eliminates mechanical play and relieves pressure across both the string post and mounting components.
Brand
Schaller
Model
M6 Pin
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
String Post Material
Brass
Pin Spacing
0.39 in
Washer Diameter
0.39 in
Button Bore Hole
0.17 in diameter with 0.14 in driving surface
Weight per Single Tuner with Button (Small/Large)
Metal (0.08 lb / 0.08 lb), Perloid (0.07 lb / 0.07 lb), Ebony (0.07 lb / 0.07 lb) including banjo bolt
Product Weight
0.13 lb
Lubrication
Permanently lubricated with Schaller special grease