| ANSI Code, ISO Number | CNGA643T00825 |
| Chip-Breaker | No |
| Clearance Angle | 0 Degrees |
| Corner Radius | 3 |
| Country of Origin (subject to change) | Japan |
| Cutting Application | Boring, External Turning, Facing, Hard Turning, Internal Facing, Semi-Roughing to Finishing |
| Cutting Direction | Neutral |
| Finish - Machining | Bright (Uncoated) |
| General Shape, Insert Shape, Shape | Diamond |
| Hole Type | Straight Hole |
| Included Angle | 80 Degrees |
| Inscribed Circle | 6 |
| Insert Code | 643 |
| Insert Holding Type | Screw |
| Item | Diamond Turning Insert |
| Manufacturer Grade | A65 |
| Material - Machining | Ceramic |
| Material Grade - Machining | Al2O3+TiC Component |
| Measurement System | Fractional Inch |
| Number of Cutting Edges, Thickness | 4 |
| Primary Material Application | Cast Iron |
| Primary Material Application ISO Code | K |
| Rake | Negative |
| Secondary Material Application | Hardened Steel |
| Secondary Material Application ISO Code | H |
| Through Hole Inside Dia. | 0.3126" |
