Sandvik N331.1A-043505E-M30 1130 Carbide Milling Insert (4Pcs)
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The Sandvik Coromant N331.1A-043505E-M30 1130 is a double-sided, 4-cutting-edge square carbide milling insert designed for the CoroMill 331 face and shoulder milling platform. The insert measures 4.35 mm × 9 mm (IC ~9 mm) with a 0.5 mm nose radius and 5 mm thickness, and the "E" tolerance designates a precision-ground edge for consistent performance. Grade 1130 is a PVD TiAlN-coated cemented carbide optimized for ISO P (steel) applications, confirmed by the label data showing Vc = 270 m/min (880 sfm) and fz = 0.14 mm/tooth for P2.1 steel at 175 HB. The M30 chipbreaker geometry features a positive cutting rake with a reinforced edge for stable, low-force cutting in shoulder milling and ramping operations on steel workpieces. This listing contains 4 new, unused inserts in the original Sandvik Coromant factory tray, made in Sweden.
Product Specifications
| Brand | Sandvik Coromant |
| Ordering Code / MPN | N331.1A-043505E-M30 1130 |
| Insert Series | CoroMill 331 |
| Insert Shape | Square (N = 90° corners) |
| Cutting Edges | 4 (double-sided, 2 per side) |
| Grade | 1130 |
| Coating | PVD TiAlN |
| ISO Material Group | P (steel) |
| Chipbreaker | M30 |
| Insert Thickness | 5 mm |
| Nose Radius | 0.5 mm |
| Tolerance Class | E (precision ground) |
| Recommended Feed (fz) | 0.14 mm/tooth (0.006 in/tooth) |
| Recommended Cutting Speed (Vc) | 270 m/min (880 sfm) for P2.1 steel |
| Work Material Hardness | 175 HB (P2.1 steel) |
| Country of Origin | Sweden |
| Quantity | 4 inserts |
| Condition | New |