Schaller M6 Pin Guitar Tuning Machine
The Schaller M6 Pin guitar tuning machine sets a high standard for closed tuners, featuring an upgraded 1:18 gear ratio for velvety smooth operation and precise tuning accuracy. All components are CNC-machined and surface-treated to guarantee smooth, responsive, and reliable tuning through a self-locking drive mechanism.
Constructed with durable brass string posts fitted tightly into the housing, these tuners deliver maximum tuning stability and wear-free performance. The innovative stepped M6 collar washer ensures trouble-free installation and permanent center alignment of the post, eliminating tilting torque without requiring a stepped peghead bore.
Permanently lubricated with Schaller special grease for completely maintenance-free operation, the M6 Pin utilizes a dual-pin mounting design with standard 10 mm pin spacing. Each complete set includes mounting collar screws, stepped washers, and fixing screws.
| Gear Ratio | 1:18 |
| Weight per Single Tuner with Button (Small/Large) | Metal (1.3 oz / 1.3 oz), Perloid (1.1 oz / 1.1 oz), Ebony (1.1 oz / 1.1 oz) including banjo bolt |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with drive flat 0.14 in (3.6 mm) |
| Product Weight | 0.8 lb |
| Post Material | Brass |
| Lubrication | Schaller Special Grease (Maintenance-Free) |
| Included Banjo Bolts | 6 |
| Included Collar Washers | 6 |
| Included Mounting Screws | 6 x M2.2 x 0.37 in |
| Locking Model Configuration | Supplied with 3 x 0.77 in and 3 x 0.83 in string posts (staggered) |


















