M2.5 x 10mm Socket Button Head Screws (ISO 7380) - A4 Stainless Steel Socket Button Head Screws, also known as Dome Head Screws, feature an internal socket drive, and are fastened with a Hexagonal\/Allen key. Their Low Domed Head offers an attractive finish, as well as a wider bearing surface. These Socket Button Head Screws are made from A4 Marine Grade Stainless Steel which provides corrosion and oxidation resistance as well as increased resistance in harsh chemical and outdoor environments. For larger quantities or custom sizes, please email and one of our team will provide you with a quotation. M2.5 x 10mm Socket Button Head Screws (ISO 7380) - A4 Stainless Steel