Solid Carbide Drills DGN Solid Carbide Drills (for General Purpose) 外冷泛用鎢鋼鑽頭 Drilling Product Features ‧ General Purpose Drilling ‧ For Steel and Cast Iron ‧ Longer Tool Life ‧ Competitive Price ‧ 泛用鑽孔 ‧ 適用一般鋼料與鑄鐵 ‧ 刀具壽命佳 ‧ 價格實惠 C051