Designed for applications that allow the head to protrude above the joining parts. The curved design of the button head is decorative and protects adjoining parts from scrapes or other damage. Manufactured from A2 Stainless Steel offering superior corrosion resistance, perfect for external applications. Stainless steel must be used where there is corrosive environment and/or the base material has inherent corrosive characteristics. NOTE: Nuts included. Conforms to ISO 7380.