采用6542高速钢（M2）材料制造，硬度高、耐磨性强，适用于金属及木材开孔作业。台阶式结构可实现不同深度切削，配有弹簧自动顶出切削块，提高工作效率。六角柄设计，夹持稳固，不打滑。
Made of M2 (6542) high speed steel, offering high hardness and excellent wear resistance. The step-type cutting design allows controlled cutting depth. Equipped with a spring ejector for automatic slug removal, improving efficiency. Hex shank ensures firm grip and prevents slipping.
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⚙️ 适用范围 / Application
• 不锈钢薄板（建议低速+冷却）
• 铁板、铝板
• 木材、PVC等
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