ISO carbide application code M20 — Walter
What is the grade designation(s) for ISO carbide application code M20 — Walter?
For ISO carbide application code M20, grade designation(s) is disputed: WXM15 WTP25 WAM20 WTA43 WQM25 WTA41 WAP20 WXM20 WQM35 WTA61 per romaycorp.com, WAM20 per aceratool.com; manufacturer is Walter, recorded from its source on 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 | VC901 SV415 SV235 | WXM15 WTP25 WAM20 WTA43 WQM25 WTA41 WAP20 WXM20 WQM35 WTA61 |
— romaycorp.com, retrieved 2026-08-11
- ISO application code
- M20 verified
- Manufacturer
- Walter our reading
- Grade designation(s)
- WXM15 WTP25 WAM20 WTA43 WQM25 WTA41 WAP20 WXM20 WQM35 WTA61 sources disagree
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.
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 WXM15 WTP25 WAM20 WTA43 WQM25 WTA41 WAP20 WXM20 WQM35 WTA61, 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 | VC901 SV415 SV235 | WXM15 WTP25 WAM20 WTA43 WQM25 WTA41 WAP20 WXM20 WQM35 WTA61 |
https://romaycorp.com/charts/carbide-comparison-chart/
aceratool.com says grade designation(s) is WAM20, as of 2026-08-11.
M20 | AC2115 | GC2025 | NC9020 PC9030 | TT2500 | WAM20 |
Sources
- romaycorp.comhttps://romaycorp.com/charts/carbide-comparison-chart/
- aceratool.comhttps://www.aceratool.com/carbide-insert-grades-chart/