The ASL type has been designed to incorporate the benefits of nylon collar lock nuts into a serrated Anchor Rivet Bush with a reusable nylon locking element fitted into the rear of the bush.
Advantages :
• Self-locking: resists screw loosening under vibration
• Total reusability of locking element to specified levels
• Eliminates the need for locking washers
• Eliminates the requirement for locking adhesives