304 18-8 stainless steel, high hardness, corrosion resistance, can be used in humid environments, and don't worry about rust
It is widely used in home and office appliances, communication equipment, ship assembly, and other machinery industries
Thread Diameter: 3/8"; Thread Type: 16 tpi Coarse Thread (Standard); Screw Length: 1-1/2"; Flat Washers Diameter: 102"
Package Includes: 8 Screws + 8 Hex Nuts + 8 Flat Washers + 8 Lock Washers
