ST3.5-20 X 25 Phillips Pan Head Self-Drilling Screw 304 Stainless Steel DIN7504N (5000pcs/Pkg) Package:5000 The flange distributes pressure evenly

The flange distributes pressure evenly

making them ideal for applications requiring vibration resistance

while the nylon insert grips the threads of the bolt

They are commonly used in machinery and automotive settings for secure fastening

Proper selection and tightening are crucial for reliable connections in numerous applications

ST3.5-20 X 25 Phillips Pan Head Self-Drilling Screw 304 Stainless Steel DIN7504N (5000pcs/Pkg) Package:5000 The flange distributes pressure evenlyFender 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.