# K01 — Carbide insert grade cross-reference by ISO application group and manufacturer

For K01, manufacturer is Sandvik; grade designation(s) is GC3005 GC3205 GC3015, recorded from its source on 2026-08-11.

- **ISO application code:** K01 _(verified: appears in the quote below)_
- **Manufacturer:** Sandvik _(our reading, not quoted from the source)_
- **Grade designation(s):** GC3005 GC3205 GC3015 _(verified: appears in the quote below)_

## What the source says

> K01 | R-400 | GP10H UC5005 UE6005 UC5015 | GC3005 GC3205 GC3015 |

## 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 **GC3005 GC3205 GC3015**, as of 2026-08-11.

> K01 | R-400 | GP10H UC5005 UE6005 UC5015 | GC3005 GC3205 GC3015 |

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

aceratool.com says grade designation(s) is **GC3205 GC3210**, as of 2026-08-11.

> K01 | AC3105 | GC3205 GC3210 |

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/industrial-consumable-tooling-cross-reference/).