磁性钻孔机 × 磁性钻孔机 产品型号:ME3000 立即询问产品 加入询问清单 详细规格及用途描述 FULLY MECHANICAL Tapping with automatic reversing controlled by crank motion. No electronics!Two-mode gearbox: one mode for auto-reverse tapping and one mode for annular and twist drills.