Product Features: ★Machining molding is made with 6543 high-speed steel, and the whole is subjected to vacuum heat treatment. ★ Special blade edge for the head, high hardness, excellent machining performance when drilling workpiece materials. ★ Drilled and baked yellow treatment, with higher wear resistance and lower friction coefficient ★ Can improve productivity and reduce the processing cost per hole. ★ is the most ideal drill bit for processing stainless steel sheet.
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