YSA Axial Locknut

The locking method is axial three-points locking, the thickness is same as YSA series. Locking with axial three points is its character and it is suitable for your assembly especially when there are some restrictions of space.

• Material Composition: SCM440(42CrMo4)
• Thread Precision:ISO 4H
• Edge Bevel:0.002mm
• Hardness:HRC28 °~32°
• Parallelism:0.002mm
• Concenticity:0.005mm