External Threading Toolholders [TTX Insert] ■ KTTX *Clamp screw can be operated from the back side. F B L1 H3 L2 h H1 Thread to shoulder ● Right-hand shown H2 Right-hand Insert for Right-hand Toolholder. ● Toolholder Dimensions Dimension (mm) Spare Parts Clamp Screw Wrench Description Std. H1=h H2 H3 B L1 L2 F KTTXR 1010JX-16F ● 10 2 10 10 1212JX-16F ● 12 - 2.5 12 120 17.6 12 SB-4070TRW FT-8 1616JX-16F ● 16 16 16 KTTXR 1212F -16F ● 12 - 2.5 12 85 17.6 12 SB-4070TRW FT-8 2020K -16F ● 20 20 125 20 ■ S···KTTX (External Sleeve Holder) J 12 H2 L1 20 H1 Threading 3.75 Id2 F1 F2 Id1 ID 5 Thread to shoulder ● Left-hand shown Right-hand Insert for Left-hand Toolholder. ● Toolholder Dimensions Dimension (mm) Spare Parts Clamp Screw Wrench Description Std. φD L1 F1 F2 φd1 φd2 H1=H2 S12F-KTTXL16 ● 12 80 11.0 11 S14H-KTTXL16 ● 14 100 9.0 13.0 13 S15F-KTTXL16 ● 15.875 85 14.6 15 S16F-KTTXL16 ● 16 6.0 27 S19G-KTTXL16 ● 19.05 90 10.5 17.6 17 SB-4070TRW FT-8 S19K-KTTXL16 ● 120 S20G-KTTXL16 ● 20 90 11.0 18.6 18 S20K-KTTXL16 ● 120 S25.0H-KTTXL16 ● 25 100 10.0 14.0 23.6 32 23 S25K-KTTXL16 ● 25.4 120 ●: Std. Item J20