WNMG 080408ER-SI Insert Grade T8430

Elevate your machining precision with the double-sided negative turning insert from Dormer Pramet. Designed for use on medium to heavy tasks on steel and stainless steel, the eighty-degree trigon design boasts an ISO-tolerance, class-M indexing accuracy, with the PVD-coated, WC-Co carbide material operating within ISO ranges P20-P40 and M20-M35 for unparalleled versatility. Features and Benefits Rounded edges without T-land for smooth machining with light feed, ensuring sufficient edge strength and mitigating work-hardening risks 2-D chip-breaker ensures precise chip control at the application area Raised chip-breaker back wall height compels tighter chip curls, enhancing chip-breaking ability for tough materials with lower feeds WC-Co-based substrate, submicron-grained, provides high hardness and resistance against abrasive wear and comb cracks Multi-layered PVD coating, featuring a thick TiN coating for crater wear resistance and a hard AlTiN layer for flank wear resistance, optimizes productivity and durability Unique Titanium-Boron-Nitride (TiBN) top layer reduces build-up edge, enhancing overall performance Typical Applications Steel Stainless steel Automotive Aerospace