End mill and scroll for scroll compressor

An end mill comprising:

• a mill body to be rotated in a rotating direction around an axis;
• and
• a plurality of peripheral cutting edge portions twisted around the axis and formed on a circumference of a tip side of the mill body, the plurality of peripheral cutting edge portions each comprising
• a peripheral cutting edge formed into a spiral shape around the axis,
• a peripheral rake face on a front of the peripheral cutting edge in the rotating direction and bordering on the peripheral cutting edge, and
• a peripheral flank formed on a rear side of the peripheral cutting edge in the rotating direction and bordering on the peripheral cutting edge, wherein
• the peripheral flank includes
• a first part, which extends from the tip side of the mill body to an end side of the mill body, and
• a second part, wherein
• the second part is adjacent to the first part and rearward of the peripheral cutting edge in the rotating direction,
• the second part is shorter in a longitudinal direction of the peripheral flank than the first part, and
• the shape of the second part is different from that of the first part.