Sandvik CNMG 160612-KR 3210 Carbide Turning Insert (10pc)
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This is a factory-new 10-piece tray of Sandvik Coromant CNMG 160612-KR 3210 (ANSI: CNMG 543-KR) indexable carbide turning inserts from the T-Max P product line, made in Sweden. ISO designation decodes as: C = 80° diamond shape, N = 0° clearance angle, M = ±0.08/±0.05 mm tolerance class, G = with hole and two-sided chipbreaker land, 16 = 9.525 mm (3/8 in) inscribed circle, 06 = 6.35 mm thickness, 12 = 1.2 mm nose radius, KR = medium-roughing chipbreaker geometry. The grade 3210 is a CVD-coated cemented carbide (TiCN/Al₂O₃ multilayer) in Sandvik's GC3210 series, optimized for medium to rough turning of cast iron (ISO K2.2 application area) at hardness up to 245 HB; recommended cutting speed is 235 m/min (770 SFM), depth of cut 0.8–9.3 mm (0.032–0.366 in), and feed 0.22–0.77 mm/rev (0.011–0.030 in/rev) as confirmed by the package label. These inserts seat in CNMG-compatible toolholders using a screw-clamp or lever-lock system, such as Sandvik Coromant PCLNR/L and DCLNR/L style holders.
Product Specifications
| Brand | Sandvik Coromant |
| MPN (ISO) | CNMG 160612-KR |
| MPN (ANSI) | CNMG 543-KR |
| Grade | 3210 (GC3210) |
| Product Line | T-Max P |
| Insert Shape | C — 80° Diamond |
| Clearance Angle | N — 0° |
| Tolerance Class | M (±0.08 mm IC, ±0.05 mm thickness) |
| Insert Type | G — w/ hole, 2-sided chipbreaker land |
| Inscribed Circle (IC) | 9.525 mm (3/8 in) |
| Thickness | 6.35 mm (1/4 in) |
| Nose Radius | 1.2 mm (3/64 in) |
| Chipbreaker | KR — Medium roughing |
| Coating | CVD TiCN/Al₂O₃ multilayer |
| ISO Application | K2.2 (Cast Iron) |
| Max Workpiece Hardness | 245 HB |
| Cutting Speed (Vc) | 235 m/min / 770 SFM (recommended) |
| Depth of Cut (ap) | 0.8–9.3 mm / 0.032–0.366 in |
| Feed Rate (fn) | 0.22–0.77 mm/rev / 0.011–0.030 in/rev |
| Country of Origin | Sweden |
| Quantity per Pack | 10 |
| Condition | New |