# P30 — Carbide insert grade cross-reference by ISO application group and manufacturer For P30, manufacturer is TaeguTec; grade designation(s) is TT3500 TT5100, recorded from its source on 2026-08-11. - **ISO application code:** P30 _(verified: appears in the quote below)_ - **Manufacturer:** TaeguTec _(our reading, not quoted from the source)_ - **Grade designation(s):** TT3500 TT5100 _(verified: appears in the quote below)_ ## What the source says > P30 | AC1225 | GC4225 GC4235 GC4025 GC4035 GC2135 | NC3020 NC3030 NC500H | TT3500 TT5100 | ## Source - 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/industrial-consumable-tooling-cross-reference/).