# M10 — Carbide insert grade cross-reference by ISO application group and manufacturer For M10, manufacturer is Mitsubishi; grade designation(s) is F7010 US7020, recorded from its source on 2026-08-11. - **ISO application code:** M10 _(verified: appears in the quote below)_ - **Manufacturer:** Mitsubishi _(our reading, not quoted from the source)_ - **Grade designation(s):** F7010 US7020 _(verified: appears in the quote below)_ ## What the source says > M10 | R-300 | F7010 US7020 | ## Sources disagree More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from. ### Grade designation(s) romaycorp.com says grade designation(s) is **F7010 US7020**, as of 2026-08-11. > M10 | R-300 | F7010 US7020 | Source: https://romaycorp.com/charts/carbide-comparison-chart/ aceratool.com says grade designation(s) is **US7020**, as of 2026-08-11. > M10 | AC4015 | GC2015 | NC9020 | | WAM10 | US7020 | Source: https://www.aceratool.com/carbide-insert-grades-chart/ ## Source - https://romaycorp.com/charts/carbide-comparison-chart/ - https://www.aceratool.com/carbide-insert-grades-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/).