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External & internal designation matrix

NPTF Threading

Compare matching external and internal thread turning insert designations by standard, insert size, pitch, and handedness. Select the exact designation when requesting a quotation.

Designations: 38
Available grade: FH

NPTF ExternalThreading carbide threading insert catalog 3D reference — Catalog 3D reference

Selection matrix

Match external and internal inserts

A dash means the source catalog does not list a matching designation for that side. No counterpart is inferred.

Standard	Size	Pitch	Hand	External designation	Internal designation
NPTF	06	27	Left	—	06NL27 NPTF
NPTF	06	27	Right	—	06NR27 NPTF
NPTF	08	18	Left	—	08NL18 NPTF
NPTF	08	18	Right	—	08NR18 NPTF
NPTF	08	27	Left	—	08NL27 NPTF
NPTF	08	27	Right	—	08NR27 NPTF
NPTF	11	14	Left	11EL14 NPTF	11NL14 NPTF
NPTF	11	14	Right	11ER14 NPTF	11NR14 NPTF
NPTF	11	18	Left	11EL18 NPTF	11NL18 NPTF
NPTF	11	18	Right	11ER18 NPTF	11NR18 NPTF
NPTF	11	27	Left	11EL27 NPTF	11NL27 NPTF
NPTF	11	27	Right	11ER27 NPTF	11NR27 NPTF
NPTF	16	8	Left	16EL8 NPTF	16NL8 NPTF
NPTF	16	8	Right	16ER8 NPTF	16NR8 NPTF
NPTF	16	11.5	Left	16EL11.5 NPTF	16NL11.5 NPTF
NPTF	16	11.5	Right	16ER11.5 NPTF	16NR11.5 NPTF
NPTF	16	14	Left	16EL14 NPTF	16NL14 NPTF
NPTF	16	14	Right	16ER14 NPTF	16NR14 NPTF
NPTF	16	18	Left	16EL18 NPTF	16NL18 NPTF
NPTF	16	18	Right	16ER18 NPTF	16NR18 NPTF
NPTF	16	27	Left	16EL27 NPTF	16NL27 NPTF
NPTF	16	27	Right	16ER27 NPTF	16NR27 NPTF

Standard / size: NPTF · 06
Pitch / hand: 27 · Left

External

—

Internal

Standard / size: NPTF · 06
Pitch / hand: 27 · Right

External

—

Internal

Standard / size: NPTF · 08
Pitch / hand: 18 · Left

External

—

Internal

Standard / size: NPTF · 08
Pitch / hand: 18 · Right

External

—

Internal

Standard / size: NPTF · 08
Pitch / hand: 27 · Left

External

—

Internal

Standard / size: NPTF · 08
Pitch / hand: 27 · Right

External

—

Internal

Standard / size: NPTF · 11
Pitch / hand: 14 · Left

External

Internal

Standard / size: NPTF · 11
Pitch / hand: 14 · Right

External

Internal

Standard / size: NPTF · 11
Pitch / hand: 18 · Left

External

Internal

Standard / size: NPTF · 11
Pitch / hand: 18 · Right

External

Internal

Standard / size: NPTF · 11
Pitch / hand: 27 · Left

External

Internal

Standard / size: NPTF · 11
Pitch / hand: 27 · Right

External

Internal

Standard / size: NPTF · 16
Pitch / hand: 8 · Left

External

Internal

Standard / size: NPTF · 16
Pitch / hand: 8 · Right

External

Internal

Standard / size: NPTF · 16
Pitch / hand: 11.5 · Left

External

Internal

Standard / size: NPTF · 16
Pitch / hand: 11.5 · Right

External

Internal

Standard / size: NPTF · 16
Pitch / hand: 14 · Left

External

Internal

Standard / size: NPTF · 16
Pitch / hand: 14 · Right

External

Internal

Standard / size: NPTF · 16
Pitch / hand: 18 · Left

External

Internal

Standard / size: NPTF · 16
Pitch / hand: 18 · Right

External

Internal

Standard / size: NPTF · 16
Pitch / hand: 27 · Left

External

Internal

Standard / size: NPTF · 16
Pitch / hand: 27 · Right

External

Internal

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