Carbide Step Drill Bit dengan Lapisan AlTiSiN Flut internal pendingin lurus untuk logam keras baja

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May 22, 2025
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Discover the AlTiSiN Coating Carbide Step Drill with internal coolant and straight flute design, engineered for high-performance machining of hardened steels and exotic alloys. This premium drill bit offers exceptional tool life and precision for demanding industrial applications.
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