ST4.2-18 X 32 Hex Head Self-Drilling Screw Washer Faced 410 Stainless Steel DIN7504K (4000pcs/Pkg) Weight-Pound:26.4 Countersunk serrated lock washers feature

Countersunk serrated lock washers feature a unique design that provides a secure grip and prevents loosening under vibration

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

This feature makes them ideal for applications requiring a secure

while the nylon insert grips the threads of the bolt

reliable connection

ST4.2-18 X 32 Hex Head Self-Drilling Screw Washer Faced 410 Stainless Steel DIN7504K (4000pcs/Pkg) Weight-Pound:26.4 Countersunk serrated lock washers featureFender washers have a larger outer diameter to improve load distribution on thin surfaces, such as sheet metal. This design helps prevent damage and enhances the stability of fastened connections.