Insert cross-reference · Round · 7° clearance · 12mm diameter · 4.76mm thick
RCMT1204 Cross Reference
Equivalent RCMT1204 inserts across 7 brands — Sandvik, ISCAR, Kennametal, Walter, Tungaloy, Seco, 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.
Brand equivalents — RCMT1204
| Brand | Designation / grade | Coating | Application |
|---|---|---|---|
| Sandvik | RCMT 12 04 M0 GC2220 | PVD TiAlN | S05–S20 |
| ISCAR | RCMT 120400 IC806 | SUMO TEC® PVD | S10–S25 |
| Kennametal | RCMT 120400 KCU25 | PVD TiAlN | S05–S20 |
| Walter | RCMT 12 04 M0 WSM45X | PVD TiAlN | S10–S20 |
| Tungaloy | RCMT120400 T9125 | AH TiAlN PVD | S10–S25 |
| Seco | RCMT 12 04 M0 S205F | PVD TiAlN Duratomic® | S05–S20 |
| Mitsubishi | RCMT 120400 US7020 | PVD TiAlN nano-multilayer | S10–S25 |
Grades used Sandvik GC2220 · ISCAR IC806 · Kennametal KCU25 · Walter WSM45X · Tungaloy T9125 · Seco S205F · Mitsubishi US7020
ISO designation decoded — what RCMT1204 means
- R — shape
- round
- C — clearance angle
- relief angle 7°
- M — tolerance
- class M — molded, medium tolerance on inscribed circle and corner point (typically ±0.05–0.13 mm depending on size)
- T — type
- fixing hole with countersink, chipbreaker on one face (single-sided positive insert)
- 12 — diameter
- 12 mm insert diameter
- 04 — thickness
- insert thickness 4.76 mm
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