ISO carbide application code K20 — Walter
What is the grade designation(s) for ISO carbide application code K20 — Walter?
For ISO carbide application code K20, grade designation(s) is disputed: WAK20 WTA43 WTA33 WTA41 WTA21 WTL82 WXK15 WXH15 WQK25 WXM15 per romaycorp.com, WAK20 per aceratool.com; manufacturer is Walter, recorded from its source on 2026-08-11.
K20 | R-300 R-400 | UP10H UC6010 AP15TF | GC1020 GC1120 GC3025 GC3020 GC4025 | TX150 T15M T25M T250M TP200 | AC500G EH20Z | T1015 T5020 AH120 J740 | KC992M KC7215 KC9315 KC7225 KC9025 CM4 KC520M KC525M KC920M KC925M KC709M KC7020 | IC910 | SV415 SV525 | WAK20 WTA43 WTA33 WTA41 WTA21 WTL82 WXK15 WXH15 WQK25 WXM15 |
— romaycorp.com, retrieved 2026-08-11
- ISO application code
- K20 verified
- Manufacturer
- Walter our reading
- Grade designation(s)
- WAK20 WTA43 WTA33 WTA41 WTA21 WTL82 WXK15 WXH15 WQK25 WXM15 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 WAK20 WTA43 WTA33 WTA41 WTA21 WTL82 WXK15 WXH15 WQK25 WXM15, as of 2026-08-11.
K20 | R-300 R-400 | UP10H UC6010 AP15TF | GC1020 GC1120 GC3025 GC3020 GC4025 | TX150 T15M T25M T250M TP200 | AC500G EH20Z | T1015 T5020 AH120 J740 | KC992M KC7215 KC9315 KC7225 KC9025 CM4 KC520M KC525M KC920M KC925M KC709M KC7020 | IC910 | SV415 SV525 | WAK20 WTA43 WTA33 WTA41 WTA21 WTL82 WXK15 WXH15 WQK25 WXM15 |
https://romaycorp.com/charts/carbide-comparison-chart/
aceratool.com says grade designation(s) is WAK20, as of 2026-08-11.
K20 | AC3125 | GC3215 GC3020 K20W | NC315K | TT1500 | WAK20 |
Sources
- romaycorp.comhttps://romaycorp.com/charts/carbide-comparison-chart/
- aceratool.comhttps://www.aceratool.com/carbide-insert-grades-chart/