Raised countersunk head screws are called Oval head in the USA and sometimes described as instrument head

Metric Oval is a rounded head with a 90° is a countersunk cone-shaped bearing surface. Preferred over a flat head in conical applications, or when a more decorative finished look is desired. The countersunk surface nests into mating countersunk applications. Inch Oval is the same as metric but with an 82-degree cone.