| N | conical lip relief |
| A | conical lip relief, split point - form-A |
| B | conical lip relief, split point with rake correction - form B |
| C | conical lip relief, split point - form-C |
| D | conical lip relief with bevelled outer corners - form D |
| E | point angle 180° with centre point - form E |
| M | flat lip relief |
| MORSE | Tool Ø D | A | B | C | E | G |
|---|---|---|---|---|---|---|
| 1 | 5 ÷ 14 | 12,065 | 9 | 12,2 | 62 | 3,5 |
| 2 | 14,05 ÷ 23 | 17,780 | 14 | 18 | 75 | 5 |
| 3 | 23,25 ÷ 31,75 | 23,825 | 19,1 | 24,1 | 94 | 5 |
| 4 | 32 ÷ 50,5 | 31,267 | 25,2 | 31,6 | 117,5 | 6,5 |
| 5 | 51 ÷ 76 | 44,399 | 36,5 | 44,7 | 149,5 | 6,5 |
| 6 | 77 ÷ 100 | 63,348 | 52,4 | 63,8 | 210 | 8 |
