Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 sets the benchmark for closed-type tuning machines, featuring a precise 1:18 gear ratio that ensures velvet-smooth and accurate tuning. High-precision CNC-machined components paired with a self-locking drive provide smooth, sensitive, and long-lasting tuning stability.
Equipped with premium brass string posts engineered for maximum durability, these tuning machines include the innovative stepped M6 flanged washer for effortless installation and permanent solid shaft centering without requiring stepped headstock holes.
With identical mounting dimensions to its predecessor, the M6 135 allows direct replacement without instrument modification. All enclosed housings feature permanent Schaller special grease lubrication for completely maintenance-free operation.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Series | M6 Series |
| Gear Ratio | 1:18 |
| Weight | 0.8 lb |
| Single Tuner Weight (Metal Button Small / Large) | 1.3 oz / 1.3 oz |
| Single Tuner Weight (Perloid/Ebony Button Small / Large) | 1.1 oz / 1.1 oz |
| Button Bore Hole | 0.17 in diameter with 0.14 in drive flat |
| String Post Material | Brass |
| Mounting Screws Included | 6 x M2.2 x 9.5 mm |





















