CNMG 120404EL-SI Insert Grade T8430

Experience precision and efficiency with the double-sided negative turning insert from Dormer Pramet. Featuring an 80-degree rhomboid design, an ISO-tolerance class-M indexing accuracy, and chip-breaker SI with rounded cutting edges, this insert excels in medium to heavy machining of steels and stainless steels. Features and Benefits Rounded edges facilitate smooth machining with light feed and shallow depths, ensuring ample edge strength without inducing work-hardening risks 2-D chip-breaker guarantees precise chip control, enhancing performance in the application area Wide chip groove optimises chip control for tough materials, promoting efficient chip evacuation during machining WC-Co substrate, submicron-grained, offers high hardness and resistance to abrasive wear and comb cracks PVD coating enhances thermal cracking resistance, ensuring consistent performance even in fluctuating cutting temperatures Multi-layered PVD coating, including TiN and AlTiN layers, provides optimized productivity and durability, resisting crater and flank wear Unique TiBN top layer reduces build-up edge, enhancing overall performance in various machining scenarios A new coating generation ensures heightened durability and performance, making it the most versatile choice for general turning and heavy roughing, even in challenging conditions Typical Applications Steel Stainless Steel Automotive Aerospace