Specification · manufacturer examples available
80° rhombic · 0° clearance · CNMG series
Product grade and application depend on the full manufacturer designation. Confirm the holder pocket and clamping before choosing a replacement.
← Browse CNMG specificationsSwipe to see the full dimension drawing →
| Field | mm | in | Code-table position |
|---|---|---|---|
| Inscribed circle | 12.7 | 0.5000 | 5 · ISCAR metric table ↗ |
| Thickness | 4.76 | 0.1874 | 6 · ISCAR metric table ↗ |
| Corner radius | 0.8 | 0.0315 | 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.
radius: 0.4 → 0.8 mm. The nominal IC and thickness are unchanged.
Swipe to compare both references →
| Property | CNMG 120408 | CNMG 120404 |
|---|---|---|
| Family | CNMG | CNMG |
| Outline | 80° rhombic | 80° rhombic |
| Corner radius | 0.8 mm | 0.4 mm |
| Inscribed circle | 12.7 mm | 12.7 mm |
| Thickness | 4.76 mm | 4.76 mm |
| Corner angle | 80 ° | 80 ° |
| Clearance angle | 0 ° | 0 ° |
| Tolerance symbol | M | M |
| Configuration symbol | G | G |
| Evidence | Code table + 2 catalogue examples | Code table + 2 catalogue examples |
The CNMG 1204 group in this directory has 5 entries, from 0.4 to 2.4 mm radius. This sits between the smallest and largest listed radii.
Confirm the part contour and tool compensation for 0.8 mm. A radius change does not establish surface finish, cutting data or holder compatibility.
ISCAR / catalogue example
Read the exact catalogue row ↗
Aluminum Machining, PDF page 9 / printed page 7, exact designation row. Exact geometry row and IC20 availability mark in this catalogue. Cutting conditions require the applicable product data; no stock check.
ISCAR / catalogue example
Read the exact catalogue row ↗
Aluminum Machining, PDF page 9 / printed page 7, exact designation row. Exact geometry row and IC20 availability mark in this catalogue. Cutting conditions require the applicable product data; no stock check.
Read shared CNMG configuration and selection limits →Calculate speed or feed after obtaining cutting data →
Tungaloy · catalogue-combination
steel, stainless, castiron / external, internal / medium
Check this complete product and its conditions →
Tungaloy T9200 application tables ↗ · Applications and standard cutting conditions: TSF/PSF finishing, TM medium, TH medium/heavy.
Tungaloy metric catalogue 513 ↗ · Printed page 13; exact product row and grade/geometry application matrix.
Interrupted-cut evidence is limited to light interruption. Heavy interruption is not established by this record. External/internal operation scope is documented at family level; confirm the actual holder, access and cutting direction. Application evidence is attached to this full product, not every insert sharing the base code.
Tungaloy · catalogue-combination
steel / external, internal / medium, rough
Check this complete product and its conditions →
Tungaloy T9200 application tables ↗ · Applications and standard cutting conditions: TSF/PSF finishing, TM medium, TH medium/heavy.
Tungaloy metric catalogue 513 ↗ · Printed page 16; exact product row and grade/geometry application matrix.
External/internal operation scope is documented at family level; confirm the actual holder, access and cutting direction. Application evidence is attached to this full product, not every insert sharing the base code.
Tungaloy · case-study
stainless / external / rough
Check this complete product and its conditions →
Tungaloy T6200/AH6200 applications ↗ · Named practical examples and SF/SM/SH stage table.
Tungaloy metric catalogue 547 ↗ · Printed page 9; exact product row and grade/geometry application matrix.
SUS410 interrupted facing case, wet. Interruption severity must be checked for your setup. Application evidence is attached to this full product, not every insert sharing the base code.
Tungaloy · case-study
superalloy / external, internal / medium
Check this complete product and its conditions →
Tungaloy AH8000 applications ↗ · Inconel application examples and external/internal family capability.
Tungaloy metric catalogue 437 ↗ · Printed page 12; exact product row and grade/geometry application matrix.
Named case: Inconel 718, wet. Confirm your alloy and condition. Interrupted-cut evidence is limited to light interruption. Heavy interruption is not established by this record. External/internal operation scope is documented at family level; confirm the actual holder, access and cutting direction. Application evidence is attached to this full product, not every insert sharing the base code.
Tungaloy · catalogue-combination
steel / external, internal / medium, rough
Check this complete product and its conditions →
Tungaloy T9200 application tables ↗ · Applications and standard cutting conditions: TSF/PSF finishing, TM medium, TH medium/heavy.
Tungaloy metric catalogue 513 ↗ · Printed page 16; exact product row and grade/geometry application matrix.
Interrupted-cut evidence is limited to light interruption. Heavy interruption is not established by this record. External/internal operation scope is documented at family level; confirm the actual holder, access and cutting direction. Application evidence is attached to this full product, not every insert sharing the base code.
Tungaloy · catalogue-combination
stainless / external, internal / medium, rough
Check this complete product and its conditions →
Tungaloy T6200/AH6200 applications ↗ · Named practical examples and SF/SM/SH stage table.
Tungaloy metric catalogue 547 ↗ · Printed page 9; exact product row and grade/geometry application matrix.
Interrupted-cut evidence is limited to light interruption. Heavy interruption is not established by this record. External/internal operation scope is documented at family level; confirm the actual holder, access and cutting direction. Application evidence is attached to this full product, not every insert sharing the base code.
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.
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