TDUNR/L

14 sizes available · 8 specification fields · standard: ISO

TDUNR/L is a boring bar for internal turning that takes negative 55° rhombic (D-type) inserts. It is listed here in 14 sizes, 23–47 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.

DNM. 1104..
DNM. 1506..

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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)
S25S TDUNL 11	DNM. 1104..	L	25	250	17	23	≥32
S25S TDUNR 11	DNM. 1104..	R	25	250	17	23	≥32
S32T TDUNL 11	DNM. 1104..	L	32	300	22	30	≥40
S32T TDUNR 11	DNM. 1104..	R	32	300	22	30	≥40
S25S TDUNL 15	DNM. 1506..	L	25	250	17	23	≥34
S25S TDUNR 15	DNM. 1506..	R	25	250	17	23	≥34
S32T TDUNL 15	DNM. 1506..	L	32	300	22	30	≥40
S32T TDUNR 15	DNM. 1506..	R	32	300	22	30	≥40
S40U TDUNR 15	DNM. 1506..	R	40	350	27	37.5	≥50
S40U TDUNL 15	DNM. 1506..	L	40	350	27	37.5	≥50
A40T TDUNL 15	DNM. 1506..	L	40	300	27	37.5	≥50
A40T TDUNR 15	DNM. 1506..	R	40	300	27	37.5	≥50
S50V TDUNL 15	DNM. 1506..	L	50	400	35	47	≥63
S50V TDUNR 15	DNM. 1506..	R	50	400	35	47	≥63