Reference Source

P20

For P20, manufacturer is Sumitomo; grade designation(s) is AC230 AC2000 AC3000, recorded from its source on 2026-08-11.

ISO application code
P20 verified
Manufacturer
Sumitomo our reading
Grade designation(s)
AC230 AC2000 AC3000 verified
Sourceromaycorp.com
Verified
Review by
DatasetCarbide insert grade cross-reference by ISO application group and manufacturer

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

P20 | R-200 R-300 | UC6010 UE6020 UC6025 F620 F7030 UP20M AP20M | GC4020 GC4025 GC4225 GC4030 GC3040 | TP200 T250M T25M CP20 F25M | AC230 AC2000 AC3000 |

romaycorp.com, retrieved 2026-08-11

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 — deciding between them is yours, not ours.

Grade designation(s)

romaycorp.com says grade designation(s) is AC230 AC2000 AC3000, as of 2026-08-11.

P20 | R-200 R-300 | UC6010 UE6020 UC6025 F620 F7030 UP20M AP20M | GC4020 GC4025 GC4225 GC4030 GC3040 | TP200 T250M T25M CP20 F25M | AC230 AC2000 AC3000 |

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

aceratool.com says grade designation(s) is AC2000 AC3000 AC820P, as of 2026-08-11.

P20 | AC1125 AC1225 | GC4015 GC4225 GC4025 GC4215 LC25 | NC3015 NC3020 NC500H | TT1500 | WAP20 | UC6010 UE6110 UE6020 F7030 | AC2000 AC3000 AC820P |

https://www.aceratool.com/carbide-insert-grades-chart/

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.