400
300
200
100
10 20 30 40 Vc [m/min]
+ 1st choice , suitable
16
14
LF-TA, 12
10
8
40 60 80 100 Vc [m/min]
LFTA : high performance (page 213) + 1st choice , suitable SUTA : high performance (page 223) HSS-HSS/Co : general purpose (page 233)