Sandvik CNMG 16 06 12-QM 4315 CVD Carbide Turning Insert (8pc)
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These are new Sandvik Coromant CNMG 16 06 12-QM 4315 carbide turning inserts (T-Max P), sold in the original factory-sealed 10-piece tray, Sandvik part number 49429095 / 6612765, made in Japan. Grade 4315 is a CVD-coated cemented carbide with a Ti(C,N)/Al2O3 multilayer coating and a gold TiN outer layer — the gold color visible on the insert flank confirms the TiN top coat, while the dark blue-grey rake face is the Al2O3 layer; this grade is optimized for P-class (steel) and K-class (cast iron) finishing to medium turning. The QM chipbreaker geometry is a medium-duty positive rake design suited for general steel turning with moderate depth of cut (ap 1–8 mm) and feed rates of 0.25–0.6 mm/rev per the label's cutting data. ISO designation decodes as: C = 80° diamond shape, N = 0° clearance angle, M = ±0.08/±0.05 mm tolerance class, G = with hole and chip grooves, 16 = 16 mm inscribed circle, 06 = 6.35 mm thickness, 12 = 1.2 mm nose radius. Compatible with Sandvik T-Max P toolholders accepting CNMG 16 06 12 inserts, including PCLNR/L, DCLNR/L, and MCLNR/L holder families.
Product Specifications
| Brand | Sandvik Coromant |
| MPN | CNMG 16 06 12-QM 4315 |
| Sandvik Part Number | 49429095 |
| Material ID | 6612765 |
| Insert Shape | C — 80° Diamond |
| Clearance Angle | N — 0° |
| Tolerance Class | M — IC ±0.08 mm, thickness ±0.05 mm |
| Chipbreaker / Type | G — hole w/ chip grooves, QM geometry |
| Inscribed Circle (IC) | 16 mm (0.625 in) |
| Thickness | 6.35 mm (0.250 in) |
| Nose Radius | 1.2 mm (0.047 in) |
| Grade | 4315 |
| Coating | CVD Ti(C,N)/Al2O3/TiN multilayer |
| ISO Material Class | P (steel), K (cast iron) |
| Application System | T-Max P (turning) |
| Quantity per Package | 10 |
| Country of Origin | Japan |
| Cutting Speed — P steel (vc) | 345–270 m/min (1130–880 sfm) |
| Feed Rate — P steel (fn) | 0.25–0.6 mm/rev (0.010–0.024 in/rev) |
| Depth of Cut — P steel (ap) | 1–8 mm (0.039–0.315 in) |
| Cutting Speed — K cast iron (vc) | 255–215 m/min (800–700 sfm) |
| Feed Rate — K cast iron (fn) | 0.3–0.51 mm/rev (0.012–0.02 in/rev) |
| Depth of Cut — K cast iron (ap) | 1–8 mm (0.039–0.315 in) |
| Hardness Range — P steel | 175 HB |
| Hardness Range — K cast iron | 245 HB |
| Condition | New — factory sealed |