P20
For P20, manufacturer is Walter; grade designation(s) is WTA31 WXH15 WQM25 WTL82 WAP20 WTN43 WAP25 WTA43 WXM15 WTA41 WXP20 WTP20, recorded from its source on 2026-08-11.
- ISO application code
- P20 verified
- Manufacturer
- Walter our reading
- Grade designation(s)
- WTA31 WXH15 WQM25 WTL82 WAP20 WTN43 WAP25 WTA43 WXM15 WTA41 WXP20 WTP20 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
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 | TD915 T7020 | KC725M KC9125 KC9040 KC625M KC850 CM4 KC9025 KC631M | IC9015 IC635 | SV410 SV325 | WTA31 WXH15 WQM25 WTL82 WAP20 WTN43 WAP25 WTA43 WXM15 WTA41 WXP20 WTP20 |
— 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 WTA31 WXH15 WQM25 WTL82 WAP20 WTN43 WAP25 WTA43 WXM15 WTA41 WXP20 WTP20, 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 | TD915 T7020 | KC725M KC9125 KC9040 KC625M KC850 CM4 KC9025 KC631M | IC9015 IC635 | SV410 SV325 | WTA31 WXH15 WQM25 WTL82 WAP20 WTN43 WAP25 WTA43 WXM15 WTA41 WXP20 WTP20 |
https://romaycorp.com/charts/carbide-comparison-chart/
aceratool.com says grade designation(s) is WAP20, as of 2026-08-11.
P20 | AC1125 AC1225 | GC4015 GC4225 GC4025 GC4215 LC25 | NC3015 NC3020 NC500H | TT1500 | WAP20 |
Sources
- romaycorp.comhttps://romaycorp.com/charts/carbide-comparison-chart/
- aceratool.comhttps://www.aceratool.com/carbide-insert-grades-chart/