Sandvik R390-18 06 64H-PL 1130 CoroMill 390 Carbide Milling Insert (10pc)
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This is a new, factory-sealed box of 10 Sandvik Coromant R390-18 06 64H-PL 1130 carbide milling inserts designed for the CoroMill 390 square-shoulder milling system. Decoding the ordering code: R390 = CoroMill 390 cutter family; 18 = 18 mm inscribed circle (IC); 06 = 6.35 mm insert thickness; 64H = mounting hole diameter and tolerance; PL = chipbreaker geometry (positive rake, light-cutting land for general milling); 1130 = CVD-coated carbide grade optimized for steel (ISO P) and stainless steel (ISO M) applications. Grade 1130 features a MT-CVD TiCN/Al₂O₃ coating on a tough, wear-resistant substrate, delivering a recommended cutting speed of 275–900 m/min (285–870 sfm) on P2.1 steels at 175 HB and 260–860 m/min (275–820 sfm) on M1.0 stainless at 200 HB, with a feed per tooth of 0.14 mm (0.006 in), as shown on the label. These inserts are compatible with Sandvik CoroMill 390 toolholders and are suited for square-shoulder milling, slotting, and ramping operations on steel and stainless steel workpieces.
Product Specifications
| Brand | Sandvik Coromant |
| Ordering Code / MPN | R390-18 06 64H-PL 1130 |
| Cutter System | CoroMill 390 |
| Grade | 1130 |
| Coating | MT-CVD TiCN/Al₂O₃ |
| Chipbreaker | PL (positive, light cutting) |
| Insert Shape | Octagonal / 8-sided (CoroMill 390 specific) |
| Inscribed Circle (IC) | 18 mm |
| Insert Thickness | 6.35 mm |
| ISO Material Group - P (Steel) | P2.1.Z.AN, 175 HB |
| ISO Material Group - M (Stainless) | M1.0.Z.AQ, 200 HB |
| Cutting Speed - P Steel (vc) | 275 m/min (285 sfm) – 900 m/min (870 sfm) |
| Cutting Speed - M Stainless (vc) | 260 m/min (275 sfm) – 860 m/min (820 sfm) |
| Feed Per Tooth (fz) - P & M | 0.14 mm (0.006 in); range 0.05–0.22 mm |
| Country of Origin | Sweden |
| Quantity per Box | 10 inserts |
| Condition | New |