ST3.5-20 X 9.5 Phillips Pan Head Self-Drilling Screw 410 Stainless Steel DIN7504N (5000pcs/Pkg) Weight-Pound:8.8 Hex nuts are essential fasteners

Hex nuts are essential fasteners used across various industries

This design combines the benefits of a nut and a washer

Flange nylon insert lock nuts combine a flange base with a nylon insert to prevent loosening due to vibration

They are commonly used in heavy-duty applications

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

ST3.5-20 X 9.5 Phillips Pan Head Self-Drilling Screw 410 Stainless Steel DIN7504N (5000pcs/Pkg) Weight-Pound:8.8 Hex nuts are essential fastenersThese 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.