June 29, 2026

2-tooth-thread-mill

Ultimate Guide: How to Choose Thread Mills for Hard Metals (Above 60 HRC)

Leave a Comment / Heat Treated Steel Processing / By

Last week, a long-standing US client emailed us about a crisis. Their shop was machining an expensive, aerospace-grade mold hardened to HRC63. Due to a flawed process plan, they used traditional carbide taps, and the tap snapped inside the final M8 blind hole. The entire workpiece was ruined, wasting thousands of dollars in prior machining […]

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graphite end mill

SAMHO Graphite Machining System: High-Precision CNC Solutions for EDM and Mold Industry

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In our long-standing service to clients in EDM electrode machining and mold manufacturing, we frequently encounter a critical challenge. Clients often present high-precision graphite electrode blueprints that demand flawless surface finish, zero edge chipping, and strict cycle times. However, on the actual CNC shop floor, the real battle is not just about shaping the part,

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