Insert cross-reference · 80° Diamond · 0° clearance · 12mm IC · 0.4mm Rε (finishing)
CNMG120404 Cross Reference
Equivalent CNMG120404 inserts across 6 brands — Sandvik, ISCAR, Kennametal, Walter, Tungaloy, Mitsubishi. Same ISO 1832 geometry class; grades, coatings and application windows differ by manufacturer. Treat equivalents as starting points and verify on a sample part: a cross-reference matches the geometry, not the process.
This is the finishing size of the family: the smaller nose radius lowers cutting force and lets you hold a finer surface finish at light depths of cut, at the cost of a weaker corner.
Brand equivalents — CNMG120404
| Brand | Designation / grade | Coating | Application |
|---|---|---|---|
| Sandvik | CNMG120404 GC4325 | Inveio® CVD Al₂O₃ | P15–P35 |
| ISCAR | CNMG120404 IC8250 | SUMO TEC® PVD | P10–P30 |
| Kennametal | CNMG120404 KC5010 | KENGold™ PVD | P15–P30 |
| Walter | CNMG120404 WPP20S | Tiger·tec® Silver | P20–P40 |
| Tungaloy | CNMG120404 T9115 | AH multilayer CVD | P10–P25 |
| Mitsubishi | CNMG120404 MC6025 | Smart Miracle® CVD | P20–P35 |
Grades used Sandvik GC4325 · ISCAR IC8250 · Kennametal KC5010 · Walter WPP20S · Tungaloy T9115 · Mitsubishi MC6025
ISO designation decoded — what CNMG120404 means
- C — shape
- 80° rhombic (diamond)
- N — clearance angle
- relief angle 0° (negative insert, double-sided use possible)
- M — tolerance
- class M — molded, medium tolerance on inscribed circle and corner point (typically ±0.05–0.13 mm depending on size)
- G — type
- cylindrical fixing hole, chipbreaker on both faces (double-sided insert)
- 12 — cutting edge length / IC
- 12 mm nominal (inscribed circle / edge length class)
- 04 — thickness
- insert thickness 4.76 mm
- 04 — corner radius
- Rε = 0.4 mm nose radius
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