Weaker than solder joint

Stronger than solder joint

Stronger than welded joint

Weaker than silver soldered joint

30 degree

15 degree

20 degree

25 degree

14

21

31

43

P-2, Q-3, R-4, S-1

P-2, Q-1, R-4, S-3

P-2, Q-4, R-3, S-1

P-3, Q-4, R-2, S-1

Class of chip breaker

Clearance angle

Basic shape

Tolerance class