M20
For M20, manufacturer is Iscar; grade designation(s) is IC9025 IC950, recorded from its source on 2026-08-11.
- ISO application code
- M20 verified
- Manufacturer
- Iscar our reading
- Grade designation(s)
- IC9025 IC950 verified
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 | KC5025 KC792M KC9225 KC7020 KC9025 KC730 KC9225 KC625M KC705M KC7215 | IC9025 IC950 |
— 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 IC9025 IC950, as of 2026-08-11.
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 | KC5025 KC792M KC9225 KC7020 KC9025 KC730 KC9225 KC625M KC705M KC7215 | IC9025 IC950 |
https://romaycorp.com/charts/carbide-comparison-chart/
aceratool.com says grade designation(s) is IC9250, IC9025 IC9350, IC9054, as of 2026-08-11.
M20 | AC2115 | GC2025 | NC9020 PC9030 | TT2500 | WAM20 | US7020 F7030 | AC610M AC630M | T6020 T9025 | CA6525 CA6015 | JC110V JC1341 JC215V JC730U | GM8020 | KC9225 KC9025 KC8050 KC9125 | TP200 TP3000 T250M TM2000 | IC9250, IC9025 IC9350, IC9054 |
Sources
- romaycorp.comhttps://romaycorp.com/charts/carbide-comparison-chart/
- aceratool.comhttps://www.aceratool.com/carbide-insert-grades-chart/