Schaller M6 Pin Guitar Tuning Machine
The Schaller M6 Pin guitar tuning machine sets a benchmark for enclosed tuners, featuring an upgraded 1:18 gear ratio that provides velvety smooth operation and precise tuning accuracy. All components are CNC-machined to exact tolerances, high-grade brass posts ensure maximum wear resistance, and permanently lubricated internal gears deliver maintenance-free performance.
Equipped with an innovative stepped flanged washer, this tuning machine simplifies headstock installation while eliminating tilt torque and protecting the string post and rear mounting screws. The integrated two-pin locating design ensures reliable centering and solid positioning without requiring stepped headstock boreholes.
Designed for versatile headstock configurations, the M6 Pin offers exceptional tuning stability and durability for modern and vintage instruments alike.
| Brand | Schaller |
| Model Number | 1003 |
| Series | M6 Series |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight | 0.13 lb |
| Single Tuner Weight 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 | 0.17 in diameter with 0.14 in drive flat |
| Pin Spacing (Center-to-Center) | 0.39 in |
| Distance Between Pins and Post Center | 0.31 in |
| Post Material | Brass |
| Lubrication | Schaller Special Grease (Maintenance-Free) |




















