Indexable Thread Turning Inserts Threading Inserts - American UN 60° External Tolerance Class : 2A/2B Right hand Left hand Pitch Dimensions (mm) Working Material Order No. Designation TPI d l r x y P M K N S H I16ER18UN1555 16ER18UN-CX1555 18 3/8" 16 0.17 0.8 1.0 ● ● ● ○ ○ I16EL18UN1555 16EL18UN-CX1555 18 3/8" 16 0.17 0.8 1.0 ● ● ● ○ ○ I16ER16UN1555 16ER16UN-CX1555 16 3/8" 16 0.18 0.9 1.1 ● ● ● ○ ○ I16EL16UN1555 16EL16UN-CX1555 16 3/8" 16 0.18 0.9 1.1 ● ● ● ○ ○ I16ER14UN1555 16ER14UN-CX1555 14 3/8" 16 0.22 1.0 1.2 ● ● ● ○ ○ I16EL14UN1555 16EL14UN-CX1555 14 3/8" 16 0.22 1.0 1.2 ● ● ● ○ ○ I16ER13UN1555 16ER13UN-CX1555 13 3/8" 16 0.24 1.0 1.3 ● ● ● ○ ○ I16EL13UN1555 16EL13UN-CX1555 13 3/8" 16 0.24 1.0 1.3 ● ● ● ○ ○ I16ER12UN1555 16ER12UN-CX1555 12 3/8" 16 0.26 1.1 1.4 ● ● ● ○ ○ I16EL12UN1555 16EL12UN-CX1555 12 3/8" 16 0.26 1.1 1.4 ● ● ● ○ ○ I16ER115UN1555 16ER11.5UN-CX1555 11.5 3/8" 16 0.27 1.1 1.5 ● ● ● ○ ○ I16EL115UN1555 16EL11.5UN-CX1555 11.5 3/8" 16 0.27 1.1 1.5 ● ● ● ○ ○ I16ER11UN1555 16ER11UN-CX1555 11 3/8" 16 0.28 1.1 1.5 ● ● ● ○ ○ I16EL11UN1555 16EL11UN-CX1555 11 3/8" 16 0.28 1.1 1.5 ● ● ● ○ ○ I16ER10UN1555 16ER10UN-CX1555 10 3/8" 16 0.32 1.1 1.5 ● ● ● ○ ○ I16EL10UN1555 16EL10UN-CX1555 10 3/8" 16 0.32 1.1 1.5 ● ● ● ○ ○ I16ER9UN1555 16ER9UN-CX1555 9 3/8" 16 0.36 1.2 1.7 ● ● ● ○ ○ I16EL9UN1555 16EL9UN-CX1555 9 3/8" 16 0.36 1.2 1.7 ● ● ● ○ ○ I16ER8UN1555 16ER8UN-CX1555 8 3/8" 16 0.41 1.2 1.6 ● ● ● ○ ○ I16EL8UN1555 16EL8UN-CX1555 8 3/8" 16 0.41 1.2 1.6 ● ● ● ○ ○ D025