Threading 55° Threading Inserts Partial Profile 55° External Holder D029 ~ D033 Right hand Left hand Pitch Dimensions (mm) Working Material Order No. Designation TP (mm) TPI d l r x y P M K N S H I11ERA551555 11ERA55-CX1555 0.5 ~ 1.5 48 ~ 16 1/4" 11 0.05 0.8 0.9 ● ● ● ○ ○ I11ELA551555 11ELA55-CX1555 0.5 ~ 1.5 48 ~ 16 1/4" 11 0.05 0.8 0.9 ● ● ● ○ ○ I16ERA551555 16ERA55-CX1555 0.5 ~ 1.5 48 ~ 16 3/8" 16 0.05 0.8 0.9 ● ● ● ○ ○ I16ELA551555 16ELA55-CX1555 0.5 ~ 1.5 48 ~ 16 3/8" 16 0.05 0.8 0.9 ● ● ● ○ ○ I16ERAG551555 16ERAG55-CX1555 0.5 ~ 3.0 48 ~ 8 3/8" 16 0.05 1.2 1.7 ● ● ● ○ ○ I16ELAG551555 16ELAG55-CX1555 0.5 ~ 3.0 48 ~ 8 3/8" 16 0.05 1.2 1.7 ● ● ● ○ ○ I16ERG551555 16ERG55-CX1555 1.75 ~ 3.0 14 ~ 8 3/8" 16 0.17 1.2 1.7 ● ● ● ○ ○ I16ELG551555 16ELG55-CX1555 1.75 ~ 3.0 14 ~ 8 3/8" 16 0.17 1.2 1.7 ● ● ● ○ ○ 45