ST4.8-16 X 16 Phillips Flat Head Self-Drilling Screw 304 Stainless Steel DIN7504P (5000pcs/Pkg) Package:5000 This design helps prevent damage

This design helps prevent damage and enhances the stability of fastened connections

USS flat washers are larger than standard flat washers

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

designed to distribute load over a wider area

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

ST4.8-16 X 16 Phillips Flat Head Self-Drilling Screw 304 Stainless Steel DIN7504P (5000pcs/Pkg) Package:5000 This design helps prevent damageThese general use flat washers are placed under the head of a bolt or nut to create a smooth bearing surface and distribute the load over a wider area.