Basic StandardDORMERCutting width - millimeter (CW)8Depth of cut maximum - millimeter (APMX)8EDP number74978Flute count (NOF)8Flute helix angle (FHA)15MaterialHSS-EMID number5985773Ordering code ANSIC8258.0X40.0Peripheral effective cutting edge count (ZEFP)8
| Basic Standard | DORMER |
| Cutting width - millimeter (CW) | 8 |
| Depth of cut maximum - millimeter (APMX) | 8 |
| EDP number | 74978 |
| Flute count (NOF) | 8 |
| Flute helix angle (FHA) | 15 |
| Material | HSS-E |
| MID number | 5985773 |
| Ordering code ANSI | C8258.0X40.0 |
| Peripheral effective cutting edge count (ZEFP) | 8 |