Traditional Culture Encyclopedia - Photography and portraiture - Is there a standard size for the blade of the Phillips screwdriver?

Is there a standard size for the blade of the Phillips screwdriver?

A screwdriver is also called a screwdriver. Because of its wide range of uses, different shapes and makeup, let's say the most commonly used cross or flat screwdriver. Generally speaking, the first is the outside diameter of the benchmark, and then the length of the benchmark (in millimeters). For example, 6* 100 means that the outer diameter of the rod is 6 mm and the length is100 mm.