Turning tools | Indexable turning inserts T-Max®, insert for turning​​ R-style insert (round). Ceramic grades Metric (mm) S H Ordering code SSC S RE GB IC BN 675 675 [mm] [mm] [deg] [mm] [mm] RPGN090300T01020 ● ● 09 3.17 4.8 20.0 9.52 0.10 Finishing RPGX090700T01020 ● ● 09 7.94 4.8 20.0 9.52 0.10 Medium RPGX120700T01020 ● ● 12 7.94 6.3 20.0 12.70 0.10 ● = First choice ○ = Good choice Imperial (inch) S H Ordering code ANSI SSC S RE GB IC BN 675 675 [inch] [inch] [deg] [inch] [inch] ● ● 3/8 0.125 0.188 20.0 0.375 0.004 Finishing RPG 32T0320 RPGX 35T0320 ● ● 3/8 0.313 0.188 20.0 0.375 0.004 Medium RPGX 45T0320 ● ● 1/2 0.313 0.250 20.0 0.500 0.004 ● = First choice ○ = Good choice 45