External Threading Toolholders ■ KTN F B F B S L2 L1 L1 0° H3 0° H3 h H1 h H1 Fig.1 Fig.2 ● Right-hand shown Right-hand Insert for Right-hand Toolholder, Left-hand Insert for Left-hand Toolholder. ■ KTNS (For Gang Type NC Lathe) h H3 L1 0° L2 H1 KTNSR1010H-16 1212K-16 F B Fig.3 h H3 L1 L2 H1 KTNSR1616K-16 0° 2020K-16 F B Fig.4 ● Right-hand shown Right-hand Insert for Right-hand Toolholder. J ● External Threading Toolholders Spare Parts Applicable Inserts Std. Dimension (mm) Drawing Clamp Set Clamp Screw Wrench Shim Shim Screw Description FT Threading R L H1=h H3 B L1 L2 F 5S 6S LW KTN& 1216JX-16F N N 12 3 120 - 16 Fig.1 - SB-3.5TR LTW-15S - - 1616H-16 N N 16 8.5 16 100 25 20 Fig.2 CPS-5S - FT-15 TN-32 SP3X8 1616JX-16F N N 3 120 - 16 Fig.1 - SB-3.5TR LTW-15S - - 2020H-16* N 8.5 100 25 25 Fig.2 CPS-5S - FT-15 TN-32 SP3X8 16E&… 2020JX-16F N N 20 3 20 120 - 20 Fig.1 - SB-3.5TR LTW-15S - - 2020K-16 N N 8.5 125 25 25 CPS-5S - FT-15 TN-32 SP3X8 2525M-16 N N 25 25 150 30 Fig.2 2525M-22 N 25 10 25 150 29 32 CPS-6S - LW-3 TN-43 SP3X8 22ER… 3225P-22 N 32 170 34 KTNSR 1010H-16 N 10 10 100 16 16 Fig.3 - SB-3.5TR - - 1212K-16 N 12 8.5 12 18 18 FT-15 16ER… 1616K-16 N 16 16 125 22 Fig.4 CPS-5S - TN-32 SP3X8 2020K-16 N 20 20 20 27.4 * mark indicates short shank type. ● Refer to page for applicable inserts Nominal Thread Full Profile Partial Profile Nominal Thread Full Profile Partial Profile M:Metric J6 J12 R(PT)(BSPT) J10 J14 Tapered Pipe UN: Unified W: Whitworth J8 J14 UNF: Unified Fine Thread J8 J12 NPT J10 - American National Tapered Pipe G (PF): Parallel Pipe J8 J14 Tr: 30° Trapezoidal - J14 ●: Std. Item J16