# P10 — Carbide insert grade cross-reference by ISO application group and manufacturer

For P10, manufacturer is Sandvik; grade designation(s) is GC4015 GC1025 GC1020, recorded from its source on 2026-08-11.

- **ISO application code:** P10 _(verified: appears in the quote below)_
- **Manufacturer:** Sandvik _(our reading, not quoted from the source)_
- **Grade designation(s):** GC4015 GC1025 GC1020 _(verified: appears in the quote below)_

## What the source says

> P10 | R-100 R-200 | UE6010 UC6010 UE6020 | GC4015 GC1025 GC1020 |

## 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 **GC4015 GC1025 GC1020**, as of 2026-08-11.

> P10 | R-100 R-200 | UE6010 UC6010 UE6020 | GC4015 GC1025 GC1020 |

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

aceratool.com says grade designation(s) is **GC4215 GC4015**, as of 2026-08-11.

> P10 | AC1215 AC1115 | GC4215 GC4015 |

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/).