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HSS-E (M35 Cobalt) durability: Boosts wear resistance and cutting life for reliable performance in tougher metals
Four-flute design for stability: Provides balanced rigidity and efficient material removal for consistent surface finishes across mold features
Built to ISO H5 tolerance under DIN 206-B
Using this gauge simplifies threaded-hole QA
Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand - 11IL56UNK20 FMH HSS-E (M35 Cobalt) durability: BoostsCarmex Thread Turning Internal Insert (Left Hand; UN standards: UNC, UNF, UNEF, UNS) is a versatile tooling solution for internal threading. This laydown triangular insert is part of our industry leading range, designed to handle a wide spectrum of applicationsfrom simple work to the most demanding tasks. Broad UN thread compatibility: One insert covers UNC, UNF, UNEF, and UNS, reducing the need for multiple tools and ensuring consistent results
