MT-NR/L

14 sizes available · 8 specification fields · standard: ISO

MT-NR/L is a boring bar for internal turning that takes negative 60° triangle (T-type) inserts. It is listed here in 14 sizes, 18.3–47 mm shank height, right- and left-hand versions, each with full specifications and a dimensioned drawing. Typical use: boring, internal turning and back-facing.

Insert compatibility

This family is built for the following insert designations (as listed in the catalogue data). The exact size in each row of the table below is in the Insert designation column.

TNM. 1604..
TNM. 2204..

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Specifications

Product code	Insert designation	Cutting direction (hand)	Connection diameter (mm)	Functional length (mm)	Functional width (mm)	Shank height (mm)	Minimum working diameter (mm)
S20R MT-NL 16	TNM. 1604..	L	20	200	16	18.3	≥26
S20R MT-NR 16	TNM. 1604..	R	20	200	16	18.3	≥26
S25S MT-NL 16	TNM. 1604..	L	25	250	17	23	≥32
S25S MT-NR 16	TNM. 1604..	R	25	250	17	23	≥32
S32T MT-NL 16	TNM. 1604..	L	32	300	22	30	≥40
S32T MT-NR 16	TNM. 1604..	R	32	300	22	30	≥40
S40U MT-NL 16	TNM. 1604..	L	40	350	27	37.5	≥50
S40U MT-NR 16	TNM. 1604..	R	40	350	27	37.5	≥50
S32T MT-NL 22	TNM. 2204..	L	32	300	24	30	≥40
S32T MT-NR 22	TNM. 2204..	R	32	300	24	30	≥40
S40U MT-NL 22	TNM. 2204..	L	40	350	27	37.5	≥50
S40U MT-NR 22	TNM. 2204..	R	40	350	27	37.5	≥50
S50U MT-NL 22	TNM. 2204..	L	50	350	35	47	≥63
S50U MT-NR 22	TNM. 2204..	R	50	350	35	47	≥63