◎适合中、重型钻削
◎应用于铣床、车床、钻床、木工机械
◎能够承受高速切削
◎材质:20CrMnTi
◎硬度:56-58HRC
◎提供两种外观:喷砂外观和涂层处理
◎当钻孔时,稍微拧紧夹头,把持力加强与转矩增大,抓力明显增强,防止钻头移动
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