Specification reference · product not verified
TNGN 160412
Triangular · 0° clearance · TNGN series
No exact manufacturer product is documented for this specification. Confirm the holder pocket and clamping before choosing a replacement.
← Browse TNGN specificationsNominal code dimensions
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| Field | mm | in | Code-table position |
|---|---|---|---|
| Inscribed circle | 9.525 | 0.3750 | 5 · ISCAR metric table ↗ |
| Thickness | 4.76 | 0.1874 | 6 · ISCAR metric table ↗ |
| Corner radius | 1.2 | 0.0472 | 7 · ISCAR metric table ↗ |
The inch column is mm ÷ 25.4, rounded to four decimal places. This is not an ANSI designation conversion. Product tolerances and clamping dimensions are not inferred.
TNGN 160412 versus TNGN 220412
IC: 12.7 → 9.525 mm. The nominal seat envelope changes; holder fit must be rechecked.
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| Property | TNGN 160412 | TNGN 220412 |
|---|---|---|
| Family | TNGN | TNGN |
| Outline | Triangular | Triangular |
| Corner radius | 1.2 mm | 1.2 mm |
| Inscribed circle | 9.525 mm | 12.7 mm |
| Thickness | 4.76 mm | 4.76 mm |
| Corner angle | 60 ° | 60 ° |
| Clearance angle | 0 ° | 0 ° |
| Tolerance symbol | G | G |
| Configuration symbol | N | N |
| Evidence | Code table; product example not documented | Code table; product example not documented |
Where this radius sits
The TNGN 1604 group in this directory has 1 entries, from 1.2 to 1.2 mm radius. This is the smallest listed radius in that group.
Confirm the part contour and tool compensation for 1.2 mm. A radius change does not establish surface finish, cutting data or holder compatibility.
Nearby TNGN references
- TNGN 220412 → — IC: 9.525 → 12.7 mm. The nominal seat envelope changes; holder fit must be rechecked.
- TNGN 220416 → — IC: 9.525 → 12.7 mm; radius: 1.2 → 1.6 mm. The nominal seat envelope changes; holder fit must be rechecked.
Product evidence for TNGN 160412
No exact product row is attached to TNGN 160412. The TNGN code and 160412 digits describe nominal geometry; they do not prove that a product is manufactured or available.
Read shared TNGN configuration and selection limits →Calculate speed or feed after obtaining cutting data →
Source and limits
ISCAR · Metric insert identification ↗ · Single-sheet PDF, sections 1, 2, 4, 5, 6 and 7; visually checked 2026-10-20.
Shape, clearance, configuration and nominal code tables only. No grade, usable-edge count, catalogue availability or acceptance tolerances inferred. Values labeled “code table” are interpretations of a designation, not measurements of a delivered product. Product-row values are reported separately, including differences in printed precision.