# M30 — Carbide insert grade cross-reference by ISO application group and manufacturer

For M30, manufacturer is Toshiba; grade designation(s) is T6030 T335S T325 AH740 AH120, recorded from its source on 2026-08-11.

- **ISO application code:** M30 _(verified: appears in the quote below)_
- **Manufacturer:** Toshiba _(our reading, not quoted from the source)_
- **Grade designation(s):** T6030 T335S T325 AH740 AH120 _(verified: appears in the quote below)_

## What the source says

> M30 | R-300 | US735 F620 F730 AP15TF | GC1020 GC1120 GC2035 GC2135 GC2040 | T25M TP300 CP50 F30M | AC3000 AC325 ACZ330 | T6030 T335S T325 AH740 AH120 |

## Source

- https://romaycorp.com/charts/carbide-comparison-chart/

Last verified: 2026-08-11. Review by: 2028-08-10.
Part of [Carbide insert grade cross-reference by ISO application group and manufacturer](https://referencesource.org/carbide-insert-grade-cross-reference/).