Solid Carbide Drills Solid Carbide Drills DGN (for General Purpose) 泛用整體硬質合金外冷鑽 ( 直柄 ) 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 SB043