Solid Carbide Drills DCN Solid Carbide Drills - Countersink angle 90° (for Centering) 外冷中心鎢鋼鑽頭 Product Specs P M K N S H . 120° Tip Angle . 90° Countersink Angle ( γ ) . External Coolant . UNIX Coating ● ○ ● . Tolerance h8 . For Alloy Steel, Stainless Steel and Cast Iron. Unit:mm Order No. D L1 L Ds Order No. D L1 L Ds DCN01000901 1.00 1.6 38 3 DCN01250901 1.25 1.9 38 3 DCN01600901 1.60 2.4 42 4 DCN02000901 2.00 2.9 50 5 DCN02500901 2.50 3.6 50 6 DCN03000901 3.00 3.9 60 8 DCN03150901 3.15 3.9 60 8 Drilling DCN04000901 4.00 5.0 75 10 DCN05000901 5.00 6.3 75 12 C063