
| ■ 80° Rhombic / Negative | | | Description | A | T | φd |
| | | CNGA 1204_ | | | |
| | | | 12.70 | 4.76 | 5.16 |
| | | CNGM 1204_ | | | |
| Edge Prep. | Gray Cast Iron (With Scale) | | | | |
Symbol Cutting Edge Spec. Example K Gray Cast Iron (Without Scale)
| F | Sharp Edge | F | Sharp Edge | Nodular Cast Iron (With Scale) | |
| E | Honed Cutting Edge | E008 | R0.08mm Honed Cutting Edge | Hard Materials (Roughing) | C |
| T | Chamfered Cutting Edge T01215 0.12mmx15° Chamfered Cutting Edge | | | H Hard Materials (Finishing) | O P O Q |
| Chamfered + Honed | | | ° Hard Materials (Chip Control) | N Q |
| S | | S01225 0.12mmx25 | | | |
| Cutting Edge | | Chamfered + Honed Cutting Edge | Sintered Steel | |
| | | Dimension | MEGACOAT CBN | CBN |
| | | (mm) | | |
| | Edge | | | |
| Insert | Description | | | | |
Prep. rε S
| CNGA 120402S01225SE | | 0.2 2.6 | O N | | N |
| 120404S01225SE | 0.4 2.6 | O N | N N | |
S 80 S01225 1
| H ° | 120408S01225SE | 0.8 2.6 | O N | | N N |
| r | | | | | |
| 120412S01225SE | 1.2 2.5 | U | N | |
CNGA 120404T01215SE 0.4 2.6 O
| | | T | 120408T01215SE | T01215 0.8 2.6 | | 1 | O |
| Small Edge | | | | 120412T01215SE | | 1.2 2.5 | | O |
| S | 80 | | | | | | |
| | rH ° | | | | | | |
| CNGA 120404S01730SET | | | 0.4 2.6 | | N | N D8 |
| | S01730 | | 1 | | |
| 120408S01730SET | | 0.8 2.6 | | N | N F63 |
| T | | | | | | F67 |
| Small Edge / Tough | | | | | | F68 |
| CNGM 120404S00825BB1 | | | 0.4 1.8 | | N | |
| 120408S00825BB1 | S00825 0.8 2.0 | | 1 | N | |
| 120412S00825BB1 | | 1.2 2.2 | | N | |
| T 80 S CNGM 120404S01225BB2 | | | 0.4 2.2 | | N | |
| rH | | | | | | |
| 120408S01225BB2 | S01225 0.8 2.4 | | 1 | N | |
| 120412S01225BB2 | | 1.2 2.6 | | N | |
| CNGM 120404S01625BB3 | | | 0.4 2.6 | | U N | |
| 120408S01625BB3 | S01625 0.8 2.8 | | 1 | U N | |
| Chip Control | 120412S01625BB3 | | 1.2 3.0 | | N | |