M6 Belleville Washer 304 Stainless Steel DIN6796 (5000pcs/Pkg) BOLTS Nylon insert lock nuts are

Nylon insert lock nuts are designed with a nylon insert that grips the threads of the bolt

helping to keep fasteners secure

This feature helps prevent loosening due to vibration

External tooth lock washers feature serrated edges that grip both the fastener and the surface

M6 Belleville Washer 304 Stainless Steel DIN6796 (5000pcs/Pkg) BOLTS Nylon insert lock nuts areBelleville washers, or conical washers, provide a unique spring action that compensates for bolt relaxation and thermal expansion. They maintain consistent pressure in assemblies, absorb shock, and prevent loosening in high vibration applications, making them ideal for automotive, aerospace, and industrial uses.