YSFR Precision Locknut

The YSFR type locking nut is equipped with three flank fixing thread screws and three radial locking screws. This is especially suitable for customer’s requirements for large shaft size locking nut tightening methods and excellent locking torque.

• Material Composition: SCM440(42CrMo4)
• Thread Precision:ISO 4H
• Hardness:HRC28 °~32°
• Manufacturing Method:high precision turning
• Run Oun:0.008mm