How does the cold header distinguish between several dies and several strokes? What do B and S mean?

B refers to the machine types are: 08 b11b14b17b19b22b24b27b33b S refers to the machine location such as like you said a few die at such as: 11 b5s is 5 mold's 19 b6s is 6 mode of flushing and 11 b6sl is 6 mold rushed and lead