H2 h h Bar Max 12 & 16 mm shank sizes Th SER/L-TT f External Threading Tools Carrying L3 b Inserts with 10 Threading Corners l2 l1 Right-hand shown Designation h b f L 3 l 2 l 1 H 2 T h SER/L 1212 F16TT-JHP 12.0 12.0 12.2 - 20.0 80.00 23.0 UNF 5/16-24 SR M4X0.7-L10 IP10X2 IP-10/5 SR 5/16UNF TL360 SER 1616 H16TT-JHP 16.0 16.0 16.2 - 20.0 100.00 27.0 UNF 5/16-24 SR M4X0.7-L10 IP10X2 IP-10/5 SR 5/16UNF TL360 THREADING SER/L 2020 K16TT-JHP 20.0 20.0 20.2 - 20.0 125.00 31.0 G 1/8-28 SR M4X0.7-L10 IP10X2 IP-10/5 SER/L 2525 M16TT-JHP 25.0 25.0 25.2 17.00 20.0 150.00 36.0 G 1/8-28 SR M4X0.7-L10 IP10X2 IP-10/5 • IMPORTANT: Applying coolant through the tool is mandatory. For inserts, see pages: TTG-16E-A55 (490) • TTG-16E-A60 (493) • TTG-16E-ISO (497) • TTG-16E-UN (502) 528 ISCAR