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 I11ER32UN1555 11ER32UN-CX1555 32 1/4" 11 0.09 0.6 0.6 ● ● ● ○ ○ I11ER28UN1555 11ER28UN-CX1555 28 1/4" 11 0.10 0.6 0.7 ● ● ● ○ ○ I11EL28UN1555 11EL28UN-CX1555 28 1/4" 11 0.10 0.6 0.7 ● ● ● ○ ○ I11ER18UN1555 11ER18UN-CX1555 18 1/4" 11 0.17 0.8 1.0 ● ● ● ○ ○ I11ER16UN1555 11ER16UN-CX1555 16 1/4" 11 0.18 0.9 1.1 ● ● ● ○ ○ I16ER40UN1555 16ER40UN-CX1555 40 3/8" 16 0.06 0.6 0.6 ● ● ● ○ ○ I16EL40UN1555 16EL40UN-CX1555 40 3/8" 16 0.06 0.6 0.6 ● ● ● ○ ○ I16ER36UN1555 16ER36UN-CX1555 36 3/8" 16 0.07 0.6 0.6 ● ● ● ○ ○ I16EL36UN1555 16EL36UN-CX1555 36 3/8" 16 0.07 0.6 0.6 ● ● ● ○ ○ I16ER32UN1555 16ER32UN-CX1555 32 3/8" 16 0.09 0.6 0.6 ● ● ● ○ ○ I16EL32UN1555 16EL32UN-CX1555 32 3/8" 16 0.09 0.6 0.6 ● ● ● ○ ○ I16ER28UN1555 16ER28UN-CX1555 28 3/8" 16 0.10 0.6 0.7 ● ● ● ○ ○ I16EL28UN1555 16EL28UN-CX1555 28 3/8" 16 0.10 0.6 0.7 ● ● ● ○ ○ I16ER26UN1555 16ER26UN-CX1555 26 3/8" 16 0.11 0.7 0.8 ● ● ● ○ ○ I16EL26UN1555 16EL26UN-CX1555 26 3/8" 16 0.11 0.7 0.8 ● ● ● ○ ○ I16ER24UN1555 16ER24UN-CX1555 24 3/8" 16 0.12 0.7 0.8 ● ● ● ○ ○ I16EL24UN1555 16EL24UN-CX1555 24 3/8" 16 0.12 0.7 0.8 ● ● ● ○ ○ I16ER20UN1555 16ER20UN-CX1555 20 3/8" 16 0.15 0.8 0.9 ● ● ● ○ ○ I16EL20UN1555 16EL20UN-CX1555 20 3/8" 16 0.15 0.8 0.9 ● ● ● ○ ○ D024 Indexable Thread Turning InsertsThreading