K20
For K20, manufacturer is Kennametal; grade designation(s) is KC992M KC7215 KC9315 KC7225 KC9025 CM4 KC520M KC525M KC920M KC925M KC709M KC7020, recorded from its source on 2026-08-11.
- ISO application code
- K20 verified
- Manufacturer
- Kennametal our reading
- Grade designation(s)
- KC992M KC7215 KC9315 KC7225 KC9025 CM4 KC520M KC525M KC920M KC925M KC709M KC7020 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
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 |
— 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 KC992M KC7215 KC9315 KC7225 KC9025 CM4 KC520M KC525M KC920M KC925M KC709M KC7020, 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 |
https://romaycorp.com/charts/carbide-comparison-chart/
aceratool.com says grade designation(s) is KC8050, KC9025 KC9120, KC9325, as of 2026-08-11.
K20 | AC3125 | GC3215 GC3020 K20W | NC315K | TT1500 | WAK20 | UE6010 | AC700G AC820P | T5115 T5125 T5020 | CA4515 | JC110V JC215V JC610 | HG8025 GM8020 | KC8050, KC9025 KC9120, KC9325 |
Sources
- romaycorp.comhttps://romaycorp.com/charts/carbide-comparison-chart/
- aceratool.comhttps://www.aceratool.com/carbide-insert-grades-chart/