STR With keyway mounting special robust version
- Hardened steel (nitrocarburized surface)
- Drive side: Coupling hub with flange mounting
- Driven side: Mounting flange with fastening threads and integral bearing
- Safety elements: evenly spaced around the circumference; externally adjustable
- Two precision machined hubs with curved jaws and conical clamping rings.
- Overall shaft / hub tolerance 0.01 - 0.025 mm