Walter SPEB090308-A67 WSP45G Tiger·tec Gold Carbide Milling Insert (10 Pcs)
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The Walter SPEB090308-A67 is a new, positive-geometry square carbide milling insert in grade WSP45G, part of Walter's Tiger·tec® Gold PVD-coated carbide platform — packaged in a standard tray of 10 inserts (EDP 8201937). Decoded per ISO: S = square shape (90° included angle), P = 11° clearance angle, E = ±0.025 mm / ±0.025 mm tolerance class, B = chipbreaker/double-sided with countersunk hole, 09 = 9.525 mm (3/8 in) inscribed circle, 03 = 3.18 mm thickness, 08 = 0.8 mm nose radius, A67 = Walter's specific edge-prep and chipbreaker designation for the A67 geometry. The WSP45G grade is a PVD-coated (Tiger·tec® Gold Al₂O₃/TiAlN-based multilayer) cemented carbide targeting ISO material groups P (steel) and M (stainless steel) as primary applications, with S (superalloys) as a secondary capability — consistent with the dot ratings visible on the package label. This insert is designed for Walter face milling and shoulder milling toolholders that accept the SPEB 09 seat, delivering long tool life and predictable wear through the gold-colored coating's enhanced thermal resistance and reduced friction at the cutting edge.
Product Specifications
| Brand | Walter |
| MPN | SPEB090308-A67 |
| Grade | WSP45G |
| Coating | Tiger·tec Gold PVD (Al₂O₃/TiAlN multilayer) |
| EDP Number | 8201937 |
| ISO Insert Shape | S — Square (90° included angle) |
| Clearance Angle (ISO) | P — 11° positive |
| Tolerance Class (ISO) | E — ±0.025 mm IC, ±0.025 mm thickness |
| Chipbreaker / Hole Type (ISO) | B — double-sided, countersunk hole |
| Inscribed Circle (IC) | 9.525 mm (3/8 in) |
| Insert Thickness | 3.18 mm (1/8 in) |
| Nose Radius | 0.8 mm |
| Edge Prep / Chipbreaker | A67 |
| Insert Geometry | Positive |
| ISO Material Groups (Primary) | P (steel), M (stainless steel) |
| ISO Material Groups (Secondary) | S (superalloys) |
| Application | Face milling, shoulder milling |
| Country of Origin | Germany |
| Quantity per Package | 10 inserts |