ST3.5-20 X 25 Phillips Pan Head Self-Drilling Screw 304 Stainless Steel DIN7504N (5000pcs/Pkg) Package:5000 They are commonly used in

They are commonly used in heavy-duty applications

while the nylon insert grips the threads of the bolt

They come in various sizes and are commonly used in automotive and construction applications for enhanced stability and support

The flange distributes pressure evenly

hex nuts can also feature coatings for corrosion resistance

ST3.5-20 X 25 Phillips Pan Head Self-Drilling Screw 304 Stainless Steel DIN7504N (5000pcs/Pkg) Package:5000 They are commonly used inFender 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.