chamfer

1.5P
1.5P - 2P
2.5P
2.5P - 3P
2P - 3.5P
2P - 3P
3.5P - 5P
4P
5P
B 3.5 - 5
C 2 - 3
C 2 - 3.5
E 1.5 - 2
plug chamfer three to six pitch
semi-bottom two to three pitch