Page 32 - Carmex - Inch Catalog 2022

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Thread Turning Inserts

NPT

EXTERNAL INTERNAL
Pitch L I.C. Ordering Code Ordering Code X Y
TPI mm Right Hand Left Hand Right Hand Left Hand
27 6 5/32 ULTRA MINIATURE  06 IR 27 NPT 06 IL 27 NPT .02 .02
27 8 3/16 08 IR 27 NPT 08 IL 27 NPT .02 .02
18 8 3/16 MINIATURE  08 IR 18 NPT 08 IL 18 NPT .02 .02
27 11 1/4 11 ER 27 NPT 11 EL 27 NPT 11 IR 27 NPT 11 IL 27 NPT .03 .03
18 11 1/4 11 ER 18 NPT 11 EL 18 NPT 11 IR 18 NPT 11 IL 18 NPT .03 .04
14 11 1/4 11 ER 14 NPT 11 EL 14 NPT 11 IR 14 NPT 11 IL 14 NPT .03 .04
27 16 3/8 16 ER 27 NPT 16 EL 27 NPT 16 IR 27 NPT 16 IL 27 NPT .03 .03
18 16 3/8 16 ER 18 NPT 16 EL 18 NPT 16 IR 18 NPT 16 IL 18 NPT .03 .04
14 16 3/8 16 ER 14 NPT 16 EL 14 NPT 16 IR 14 NPT 16 IL 14 NPT .04 .05
11.5 16 3/8 16 ER 11.5 NPT 16 EL 11.5 NPT 16 IR 11.5 NPT 16 IL 11.5 NPT .04 .06
8 16 3/8 16 ER 8 NPT 16 EL 8 NPT 16 IR 8 NPT 16 IL 8 NPT .05 .07

Order example: 16 ER 14 NPT MXC
For small bore threading see page A06-16

Type B

Ground Profile with Sintered Chip-breaker

EXTERNAL INTERNAL
Pitch L I.C. Ordering Code Ordering Code X Y
TPI mm Right Hand Right Hand
18 11 1/4 11 IR B 18 NPT .03 .04
18 16 3/8 16 ER B 18 NPT 16 IR B 18 NPT .03 .04
14 16 3/8 16 ER B 14 NPT 16 IR B 14 NPT .04 .05
11.5 16 3/8 16 ER B 11.5 NPT 16 IR B 11.5 NPT .04 .06
8 16 3/8 16 ER B 8 NPT 16 IR B 8 NPT .05 .07
Order example: 16 IR B 11.5 NPT BMA
For carbide grade and cutting speed see page A04-2 and 3

A01-18