July 2, 2026

thread cutting end mill​

Common Mistakes CNC Machinists Make with Thread Mills for Hardened Steel

Leave a Comment / Heat Treated Steel Processing / By

Last month, a long-term partner workshop manager in Stuttgart, Germany, sent me a few WhatsApp photos. They showed thread mills snapped off inside the holes of precision automotive molds made of genuine HRC65 hardened steel. His message conveyed a characteristic German anxiety: “We ran the program exactly as we always have based on past experience, […]

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graphite end mill

Diamond Coated End Mills for Graphite: The Core Tooling Component in Graphite Machining Systems

Leave a Comment / Graphite Machining System / By

At an EDM electrode manufacturing facility, we observed a costly issue. Tool life and surface quality fluctuated significantly when machining high-density graphite batches. Despite using identical machine tools, programs, and operators, tool wear remained highly unpredictable. Some cutting edges failed within two hours, while others finished the batch. The client needed consistent contours without edge

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