Kennametal SNMG150612RN KCP25B Carbide Turning Insert 5pc
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This is a factory-new box of 5 Kennametal SNMG150612RN (ANSI: SNMG543RN) square turning inserts in grade KCP25B, a CVD-coated multilayer carbide grade engineered for general-purpose turning of steels and cast irons (ISO P05–P35, K10–K30). The ISO designation decodes as: S = square shape (90°), N = 0° clearance angle, M = M-tolerance, G = with hole and chipbreaker, 15 = 15.875 mm inscribed circle, 06 = 6.35 mm thickness, 12 = 1.2 mm nose radius, RN = Kennametal's RN chipbreaker geometry, a medium-duty chip former suited for a wide range of depths of cut and feed rates in roughing to semi-finishing. KCP25B features a TiCN/Al₂O₃/TiN CVD multilayer coating over a tough, fine-grained carbide substrate with a post-coat surface treatment that improves edge reliability and reduces built-up edge. These inserts are compatible with SNMG-style toolholders accepting IC 15.875 mm (5/8 in) square inserts, including Kennametal MCLNR/L, MSDNN, and DCLNR/L style holders. Made in USA per the package label.
Product Specifications
| Brand | Kennametal |
| ISO Part Number | SNMG150612RN |
| ANSI Part Number | SNMG543RN |
| Grade | KCP25B |
| Insert Shape | Square (S) |
| Clearance Angle | 0° (N) |
| Tolerance Class | M |
| Chipbreaker | RN (medium-duty, double-sided) |
| Inscribed Circle (IC) | 15.875 mm (5/8 in) |
| Insert Thickness | 6.35 mm (1/4 in) |
| Nose Radius | 1.2 mm (3/64 in) |
| Coating | CVD TiCN/Al₂O₃/TiN multilayer |
| Substrate | Cemented carbide |
| ISO Application Range | P05–P35, K10–K30 |
| Primary Application | Turning steels, cast irons |
| Operation | Roughing to semi-finishing |
| Quantity per Package | 5 |
| Country of Origin | USA |
| Condition | New |