Solid Carbide Drills DLC, DLN Solid Carbide Drills (for Mini Hole) 內冷 & 外冷小徑鎢鋼鑽頭 High Performance Hight Productivity Hight Stability Drilling FEATURES ‧ Internal coolant design ‧ Unique UNIX coating improves tool life ‧ Optimized flute improves drilling efficiency ‧ Customized available ‧ Diameter 0.2-3.9mm ‧ 高效內冷孔 ‧ UNIX 鍍膜提升刀具壽命 ‧ 優化排屑槽,提升刀具效能與壽命 ‧ 提供客製化服務 ‧ 尺寸範圍 0.2-3.9mm C021