M20

For M20, manufacturer is Toshiba; grade designation(s) is T6020 T725X GH330 AH330, recorded from its source on 2026-08-11.

ISO application code: M20 verified
Manufacturer: Toshiba our reading
Grade designation(s): T6020 T725X GH330 AH330 verified

Sourceromaycorp.com

Verified2026-08-11

Review by2028-08-10

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

M20 | R-300 | US7020 F620 F7030 AP20M UP20M | GC1020 GC2025 GC2030 GC4125 GC3040 | TP200 CP50 T250M T25M F25M | AC2000 AC3000 AC325 ACZ330 AC304 | T6020 T725X GH330 AH330 |

— romaycorp.com, retrieved 2026-08-11

Source

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

Last verified against source: 2026-08-11. Due for re-check by 2028-08-10. This page as Markdown · OKF bundle · full dataset as JSON.