Stainless Socket Button Head Screws – Grade A4
Stainless Socket Button Head Screws – Grade A4
- Grade A4 – 316 Stainless steel
- Aesthetically pleasing dome headed screws
- ISO 7380
Grade A4 or 316 stainless steel is used for fasteners requiring higher levels of corrosion resistance and is often referred to as marine grade or acid-proof. It has higher resistance to aggressive environments such as seawater and industrial pollution and maintains a pristine finish when used in external applications making it ideal for architectural use. All socket screws require a hexagon key to tighten.