ST-CR/L

16 sizes available · 8 specification fields · standard: ISO

ST-CR/L is a boring bar for internal turning that takes positive 60° triangle (T-type) inserts. It is listed here in 16 sizes, 3.5–37.5 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.

TC.T 1102..
TC.T 16T3..

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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)
S12K ST-CL 11	TC.T 1102..	L	12	125	9	11	≥17
S12K ST-CR 11	TC.T 1102..	R	12	125	9	11	≥17
S16P ST-CL 11	TC.T 1102..	L	16	170	11	14.8	≥20
S16P ST-CR 11	TC.T 1102..	R	16	170	11	14.8	≥20
S20R ST-CL 11	TC.T 1102..	L	20	200	13	18.3	≥25
S20R ST-CR 11	TC.T 1102..	R	20	200	13	18.3	≥25
S16P ST-CL 16	TC.T 16T3..	L	16	170	11	14.8	≥20
S16P ST-CR 16	TC.T 16T3..	R	16	170	11	14.8	≥20
S20R ST-CL 16	TC.T 16T3..	L	20	200	13	18.3	≥25
S20R ST-CR 16	TC.T 16T3..	R	20	200	13	18.3	≥25
S25S ST-CL 16	TC.T 16T3..	L	25	250	17	23	≥32
S25S ST-CR 16	TC.T 16T3..	R	25	250	17	23	≥32
S32T ST-CL 16	TC.T 16T3..	L	32	300	22	30	≥40
S32T ST-CR 16	TC.T 16T3..	R	32	300	22	30	≥40
S40U ST-CL 16	TC.T 16T3..	L	40	350	27	37.5	≥50
S40U ST-CR 16	TC.T 16T3..	R	40	350	27	3.5	≥50