Locking Devices

Keyless shaft-hub locking devices have been the cornerstone of the RINGFEDER POWER TRANSMISSION group. For over 90 years, our product offering of internal clamping and external clamping locking devices and global support has been unparalleled in the industry.

Shrink Disc

Reduced dimensions with lower transmission values – especially for applications with restricted space.
This light duty external locking device is the first in the Shrink Disc range and is useful for low to medium torque requirements.