The friction ring is crimped and integrated with the nut, same as on the U Nut. [Features]· Lock nut for bearing.· The spring action of the friction ring creates friction on the male screw to cause a locking effect.· Can be fixed in an intermediate position.· Since it is all metal, it has excellent heat resistance.· No key groove processing on the shaft side. [Shape] Round[Material] SS400 equivalent / S45C equivalent / SUS304 equivalent[Screw type] Metric coarse[Nominal designation] M10 × 0.75 to M150 × 2.0[Type]Lock nut