1. the flat head milling cutter, carries on the rough milling, the elimination massive semifinished materials, small area lateral plane or outline fine mill;

1.平头铣刀，进行粗铣，去除大量毛坯，小面积水平平面或者轮廓精铣；

2. a ball milling cutter, carries on the surface half fine mill and the fine mill; The knife may the fine mill steep surface/straight wall's small bevel edge

2.球头铣刀，进行曲面半精铣和精铣；小刀可以精铣陡峭面/直壁的小倒角。

3. the flat head mill sword strap bevel edge, may make the rough milling elimination massive semifinished materials, but may also the fine mill thin burnishing surface (be opposite in steep surface) the small bevel edge

3.平头铣刀带倒角，可做粗铣去除大量毛坯，还可精铣细平整面（相对于陡峭面）小倒角