4 Flute Coolant Through Step Drill cho thép 304 316L

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June 10, 2025
Video Description:
Discover the 4 Flute Coolant Through Step Drill, specially designed for machining 304 and 316L steel. This AlTiN-coated carbide reamer features internal cooling channels for superior performance, extended tool life, and high precision in medical, food processing, and marine applications.
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