Diamond or “D” shaped rotating inserts with a 55-degree angle are what are referred to as DNMG inserts. They are a multipurpose cutting tool that may be used for grooving, profiling, finishing, and a variety of other machining processes.
| ISO | L | I.C | S | d | r |
| DNMG110404-CM | 11.60 | 9.525 | 4.76 | 3.81 | 0.40 |
| DNMG110408-CM | 11.60 | 9.525 | 4.76 | 3.81 | 0.80 |
| DNMG110412-CM | 11.60 | 9.525 | 4.76 | 3.81 | 1.20 |
| DNMG150404-CM | 15.50 | 12.70 | 4.76 | 5.16 | 0.40 |
| DNMG150408-CM | 15.50 | 12.70 | 4.76 | 5.16 | 0.80 |
| DNMG150412-CM | 15.50 | 12.70 | 4.76 | 5.16 | 1.20 |
| DNMG150604-CM | 15.50 | 12.70 | 6.35 | 5.16 | 0.40 |
| DNMG150608-CM | 15.50 | 12.70 | 6.35 | 5.16 | 0.80 |
| DNMG150612-CM | 15.50 | 12.70 | 6.35 | 5.16 | 1.20 |
