Schaller M6 135 Guitar Tuning Machine
The Schaller M6 135 guitar tuning machine delivers outstanding precision and tuning comfort with an advanced 1:18 gear ratio. Designed with CNC-machined components and high-grade brass string posts, this enclosed tuner ensures smooth operation, self-locking drive reliability, and long-lasting tuning stability.
Featuring the innovative stepped M6 collar washer with a 0.39 in diameter base, the tuner centers the string post perfectly through the hollow screw without requiring stepped headstock drilling. This smart design eliminates tilting torque and takes stress off both the post and the rear mounting screw.
Permanently lubricated with specialized Schaller grease for maintenance-free performance, the M6 135 matches identical mounting dimensions to its predecessor for a seamless, drop-in replacement on compatible guitar headstocks.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Series | M6 Series |
| Model | M6 135 |
| Gear Ratio | 1:18 |
| Product Weight | 0.13 lb |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive flat |
| Weight per Single Tuner with Button (Small/Large) | Metal (1.27 oz / 1.34 oz), Perloid (1.06 oz / 1.09 oz), Ebony (1.06 oz / 1.09 oz) including hollow screw |
| Post Material | Brass |
| Housing Construction | Sealed / Enclosed, CNC-machined |
| Lubrication | Permanently lubricated with special grease |
