Solid Carbide Drills DHN Solid Carbide Drills - 3×D (for Hardened Steel) 外冷高硬用鎢鋼鑽頭 Product Specs P M K N S H . 3×D Cutting depth . Reinforced Shank . 140° Tip Angle . External Coolant ○ ○ ● ○ ● . SINIX Coating . Tolerance h8 . Double Margins Design . SX Design . For Steel, Alloy Steel, Cast Iron and Hardened Steel(HRC 30~50). . Customizable Unit:mm Order No. D L1 L Ds Order No. D L1 L Ds DHN12000302 12.00 55 102 12 DHN12100302 12.10 60 107 14 DHN12200302 12.20 60 107 14 DHN12300302 12.30 60 107 14 DHN12400302 12.40 60 107 14 DHN12500302 12.50 60 107 14 DHN12600302 12.60 60 107 14 Drilling DHN12700302 12.70 60 107 14 DHN12800302 12.80 60 107 14 DHN12900302 12.90 60 107 14 DHN13000302 13.00 60 107 14 DHN13200302 13.20 60 107 14 DHN13300302 13.30 60 107 14 DHN13500302 13.50 60 107 14 DHN13700302 13.70 60 107 14 DHN13800302 13.80 60 107 14 DHN14000302 14.00 60 107 14 DHN14200302 14.20 65 115 16 DHN14300302 14.30 65 115 16 DHN14400302 14.40 65 115 16 DHN14500302 14.50 65 115 16 DHN14700302 14.70 65 115 16 DHN15000302 15.00 65 115 16 DHN15200302 15.20 65 115 16 DHN15500302 15.50 65 115 16 DHN15600302 15.60 65 115 16 DHN15700302 15.70 65 115 16 DHN15800302 15.80 65 115 16 DHN16000302 16.00 65 115 16 DHN16500302 16.50 73 123 18 DHN17000302 17.00 73 123 18 DHN17500302 17.50 73 123 18 DHN18000302 18.00 73 123 18 DHN18500302 18.50 79 131 20 DHN19000302 19.00 79 131 20 DHN19500302 19.50 79 131 20 DHN20000302 20.00 79 131 20 C037