Schaller M6 180 Guitar Tuning Machine

The Schaller M6 180 guitar tuning machine delivers precise tuning and smooth operation with an improved 1:18 gear ratio. CNC-machined components with refined surface finishing ensure self-locking stability, sensitive adjustment, and dependable long-term performance.
Constructed with high-grade brass string posts engineered for an exact housing fit, each closed machine head is permanently lubricated with Schaller specialized grease for completely maintenance-free reliability and wear resistance.
An innovative stepped M6 flanged washer centers the string post securely over the banjo bolt, eliminating tilt and removing mechanical pressure from both the post and rear mounting screw without requiring stepped peghead drilling.
Brand
Schaller
Series
M6 Series
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
String Post Material
Brass
Housing Type
Sealed / Closed
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
Button Bore Hole
Diameter 0.17 in. with driving surface 0.14 in.
Flanged Washer Diameter
0.39 in.
Mounting Screw Size
M2.2 x 0.37 in.
Product Weight
0.79 lb