M6 x 20 Allen Screw, Button Head Style. This flanged screw secures the Rotax Max Evo battery box cover in place on the battery box.
This screw is also designed to secure part (7) to the radiator, and is a button head screw with a flange to prevent pulling through on the radiator bracket.
Each screw is M6 x 1.0 in thread size and pitch, and 20mm in length.