1、Stainless Steel A2‑70: The flanged round head hex socket screw is made of stainless steel A2‑70, which has a high degree of chemical resistance and corrosion resistance. 2、Wider Support Surface: The low arched cutter head with a wider support surface provides a perfect appearance and is ideal when a neat appearance is required. 3、Application: This flange button head hex socket screw is very suitable for using in wood and wet environments. 4、Wide Application: This flange button head hex socket screw kit can be widely used for construction, automobile and product manufacturing. 5、Beautiful and Clean Appearance: The hex socket screws with flange button head have a beautiful and clean appearance, which is very suitable for furniture and other projects.